Home / 16,689.52-23,034.36-9,620.05

Finding the Fourth Proportional to 16,689.52, 23,034.36 and 9,620.05

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Solution

The fourth proportional to 16,689.52, 23,034.36 and 9,620.05 is: 13,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.52 : 23,034.36 = 9,620.05 : x
  2. Step 2: Convert to fraction form
    16,689.52/23,034.36 = 9,620.05/x
  3. Step 3: Cross multiply
    16,689.52x = 23,034.36 × 9,620.05
  4. Step 4: Simplify right side
    16,689.52x = 221,591,694.92
  5. Step 5: Solve for x
    x = 221,591,694.92/16,689.52
  6. Step 6: Final answer
    x = 13,277.30

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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.