Home / 12,701.09-17,528.45-7,037.16

Finding the Fourth Proportional to 12,701.09, 17,528.45 and 7,037.16

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Solution

The fourth proportional to 12,701.09, 17,528.45 and 7,037.16 is: 9,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.09 : 17,528.45 = 7,037.16 : x
  2. Step 2: Convert to fraction form
    12,701.09/17,528.45 = 7,037.16/x
  3. Step 3: Cross multiply
    12,701.09x = 17,528.45 × 7,037.16
  4. Step 4: Simplify right side
    12,701.09x = 123,350,472.02
  5. Step 5: Solve for x
    x = 123,350,472.02/12,701.09
  6. Step 6: Final answer
    x = 9,711.81

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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.