Home / 16,694.09-23,037.13-9,140.28

Finding the Fourth Proportional to 16,694.09, 23,037.13 and 9,140.28

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Solution

The fourth proportional to 16,694.09, 23,037.13 and 9,140.28 is: 12,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,694.09 : 23,037.13 = 9,140.28 : x
  2. Step 2: Convert to fraction form
    16,694.09/23,037.13 = 9,140.28/x
  3. Step 3: Cross multiply
    16,694.09x = 23,037.13 × 9,140.28
  4. Step 4: Simplify right side
    16,694.09x = 210,565,963.72
  5. Step 5: Solve for x
    x = 210,565,963.72/16,694.09
  6. Step 6: Final answer
    x = 12,613.20

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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.