Home / 10,887.59-15,010.77-7,052.40

Finding the Fourth Proportional to 10,887.59, 15,010.77 and 7,052.40

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Solution

The fourth proportional to 10,887.59, 15,010.77 and 7,052.40 is: 9,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.59 : 15,010.77 = 7,052.40 : x
  2. Step 2: Convert to fraction form
    10,887.59/15,010.77 = 7,052.40/x
  3. Step 3: Cross multiply
    10,887.59x = 15,010.77 × 7,052.40
  4. Step 4: Simplify right side
    10,887.59x = 105,861,954.35
  5. Step 5: Solve for x
    x = 105,861,954.35/10,887.59
  6. Step 6: Final answer
    x = 9,723.18

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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.