Home / 15,562.17-21,475.73-8,488.62

Finding the Fourth Proportional to 15,562.17, 21,475.73 and 8,488.62

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Solution

The fourth proportional to 15,562.17, 21,475.73 and 8,488.62 is: 11,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.17 : 21,475.73 = 8,488.62 : x
  2. Step 2: Convert to fraction form
    15,562.17/21,475.73 = 8,488.62/x
  3. Step 3: Cross multiply
    15,562.17x = 21,475.73 × 8,488.62
  4. Step 4: Simplify right side
    15,562.17x = 182,299,332.41
  5. Step 5: Solve for x
    x = 182,299,332.41/15,562.17
  6. Step 6: Final answer
    x = 11,714.26

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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.