Home / 16,689.13-23,030.97-9,135.46

Finding the Fourth Proportional to 16,689.13, 23,030.97 and 9,135.46

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Solution

The fourth proportional to 16,689.13, 23,030.97 and 9,135.46 is: 12,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.13 : 23,030.97 = 9,135.46 : x
  2. Step 2: Convert to fraction form
    16,689.13/23,030.97 = 9,135.46/x
  3. Step 3: Cross multiply
    16,689.13x = 23,030.97 × 9,135.46
  4. Step 4: Simplify right side
    16,689.13x = 210,398,505.20
  5. Step 5: Solve for x
    x = 210,398,505.20/16,689.13
  6. Step 6: Final answer
    x = 12,606.92

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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.