Home / 15,714.96-21,691.23-9,346.02

Finding the Fourth Proportional to 15,714.96, 21,691.23 and 9,346.02

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Solution

The fourth proportional to 15,714.96, 21,691.23 and 9,346.02 is: 12,900.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,714.96 : 21,691.23 = 9,346.02 : x
  2. Step 2: Convert to fraction form
    15,714.96/21,691.23 = 9,346.02/x
  3. Step 3: Cross multiply
    15,714.96x = 21,691.23 × 9,346.02
  4. Step 4: Simplify right side
    15,714.96x = 202,726,669.40
  5. Step 5: Solve for x
    x = 202,726,669.40/15,714.96
  6. Step 6: Final answer
    x = 12,900.23

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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.