Home / 13,714.32-18,925.85-7,426.70

Finding the Fourth Proportional to 13,714.32, 18,925.85 and 7,426.70

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Solution

The fourth proportional to 13,714.32, 18,925.85 and 7,426.70 is: 10,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.32 : 18,925.85 = 7,426.70 : x
  2. Step 2: Convert to fraction form
    13,714.32/18,925.85 = 7,426.70/x
  3. Step 3: Cross multiply
    13,714.32x = 18,925.85 × 7,426.70
  4. Step 4: Simplify right side
    13,714.32x = 140,556,478.43
  5. Step 5: Solve for x
    x = 140,556,478.43/13,714.32
  6. Step 6: Final answer
    x = 10,248.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.