Home / 11,109.60-15,337.28-7,527.04

Finding the Fourth Proportional to 11,109.60, 15,337.28 and 7,527.04

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Solution

The fourth proportional to 11,109.60, 15,337.28 and 7,527.04 is: 10,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.60 : 15,337.28 = 7,527.04 : x
  2. Step 2: Convert to fraction form
    11,109.60/15,337.28 = 7,527.04/x
  3. Step 3: Cross multiply
    11,109.60x = 15,337.28 × 7,527.04
  4. Step 4: Simplify right side
    11,109.60x = 115,444,320.05
  5. Step 5: Solve for x
    x = 115,444,320.05/11,109.60
  6. Step 6: Final answer
    x = 10,391.40

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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.