Home / 15,689.48-23,528.59-5,691.70

Finding the Fourth Proportional to 15,689.48, 23,528.59 and 5,691.70

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Solution

The fourth proportional to 15,689.48, 23,528.59 and 5,691.70 is: 8,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.48 : 23,528.59 = 5,691.70 : x
  2. Step 2: Convert to fraction form
    15,689.48/23,528.59 = 5,691.70/x
  3. Step 3: Cross multiply
    15,689.48x = 23,528.59 × 5,691.70
  4. Step 4: Simplify right side
    15,689.48x = 133,917,690.88
  5. Step 5: Solve for x
    x = 133,917,690.88/15,689.48
  6. Step 6: Final answer
    x = 8,535.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.