Home / 14,714.48-20,289.49-13,781.36

Finding the Fourth Proportional to 14,714.48, 20,289.49 and 13,781.36

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Solution

The fourth proportional to 14,714.48, 20,289.49 and 13,781.36 is: 19,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.48 : 20,289.49 = 13,781.36 : x
  2. Step 2: Convert to fraction form
    14,714.48/20,289.49 = 13,781.36/x
  3. Step 3: Cross multiply
    14,714.48x = 20,289.49 × 13,781.36
  4. Step 4: Simplify right side
    14,714.48x = 279,616,765.91
  5. Step 5: Solve for x
    x = 279,616,765.91/14,714.48
  6. Step 6: Final answer
    x = 19,002.83

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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.