Home / 11,430.08-15,774.68-6,954.12

Finding the Fourth Proportional to 11,430.08, 15,774.68 and 6,954.12

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Solution

The fourth proportional to 11,430.08, 15,774.68 and 6,954.12 is: 9,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.08 : 15,774.68 = 6,954.12 : x
  2. Step 2: Convert to fraction form
    11,430.08/15,774.68 = 6,954.12/x
  3. Step 3: Cross multiply
    11,430.08x = 15,774.68 × 6,954.12
  4. Step 4: Simplify right side
    11,430.08x = 109,699,017.68
  5. Step 5: Solve for x
    x = 109,699,017.68/11,430.08
  6. Step 6: Final answer
    x = 9,597.40

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Half scale
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Double scale
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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.