Home / 14,517.42-19,989.35-12,714.51

Finding the Fourth Proportional to 14,517.42, 19,989.35 and 12,714.51

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Solution

The fourth proportional to 14,517.42, 19,989.35 and 12,714.51 is: 17,506.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.42 : 19,989.35 = 12,714.51 : x
  2. Step 2: Convert to fraction form
    14,517.42/19,989.35 = 12,714.51/x
  3. Step 3: Cross multiply
    14,517.42x = 19,989.35 × 12,714.51
  4. Step 4: Simplify right side
    14,517.42x = 254,154,726.90
  5. Step 5: Solve for x
    x = 254,154,726.90/14,517.42
  6. Step 6: Final answer
    x = 17,506.88

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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.