Home / 11,430.08-15,778.68-6,714.74

Finding the Fourth Proportional to 11,430.08, 15,778.68 and 6,714.74

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Solution

The fourth proportional to 11,430.08, 15,778.68 and 6,714.74 is: 9,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.08 : 15,778.68 = 6,714.74 : x
  2. Step 2: Convert to fraction form
    11,430.08/15,778.68 = 6,714.74/x
  3. Step 3: Cross multiply
    11,430.08x = 15,778.68 × 6,714.74
  4. Step 4: Simplify right side
    11,430.08x = 105,949,733.74
  5. Step 5: Solve for x
    x = 105,949,733.74/11,430.08
  6. Step 6: Final answer
    x = 9,269.38

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Half scale
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Double scale
Find fourth proportional to 11,431.08, 15,780.06 and 6,715.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.