Home / 15,562.30-21,476.26-8,488.70

Finding the Fourth Proportional to 15,562.30, 21,476.26 and 8,488.70

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Solution

The fourth proportional to 15,562.30, 21,476.26 and 8,488.70 is: 11,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.30 : 21,476.26 = 8,488.70 : x
  2. Step 2: Convert to fraction form
    15,562.30/21,476.26 = 8,488.70/x
  3. Step 3: Cross multiply
    15,562.30x = 21,476.26 × 8,488.70
  4. Step 4: Simplify right side
    15,562.30x = 182,305,528.26
  5. Step 5: Solve for x
    x = 182,305,528.26/15,562.30
  6. Step 6: Final answer
    x = 11,714.56

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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.