Home / 19,714.32-29,581.20-13,908.24

Finding the Fourth Proportional to 19,714.32, 29,581.20 and 13,908.24

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Solution

The fourth proportional to 19,714.32, 29,581.20 and 13,908.24 is: 20,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.32 : 29,581.20 = 13,908.24 : x
  2. Step 2: Convert to fraction form
    19,714.32/29,581.20 = 13,908.24/x
  3. Step 3: Cross multiply
    19,714.32x = 29,581.20 × 13,908.24
  4. Step 4: Simplify right side
    19,714.32x = 411,422,429.09
  5. Step 5: Solve for x
    x = 411,422,429.09/19,714.32
  6. Step 6: Final answer
    x = 20,869.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.