Home / 11,220.91-15,484.97-6,185.32

Finding the Fourth Proportional to 11,220.91, 15,484.97 and 6,185.32

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Solution

The fourth proportional to 11,220.91, 15,484.97 and 6,185.32 is: 8,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.91 : 15,484.97 = 6,185.32 : x
  2. Step 2: Convert to fraction form
    11,220.91/15,484.97 = 6,185.32/x
  3. Step 3: Cross multiply
    11,220.91x = 15,484.97 × 6,185.32
  4. Step 4: Simplify right side
    11,220.91x = 95,779,494.64
  5. Step 5: Solve for x
    x = 95,779,494.64/11,220.91
  6. Step 6: Final answer
    x = 8,535.80

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Half scale
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Double scale
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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.