Home / 16,015.48-22,089.20-13,781.10

Finding the Fourth Proportional to 16,015.48, 22,089.20 and 13,781.10

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Solution

The fourth proportional to 16,015.48, 22,089.20 and 13,781.10 is: 19,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.48 : 22,089.20 = 13,781.10 : x
  2. Step 2: Convert to fraction form
    16,015.48/22,089.20 = 13,781.10/x
  3. Step 3: Cross multiply
    16,015.48x = 22,089.20 × 13,781.10
  4. Step 4: Simplify right side
    16,015.48x = 304,413,474.12
  5. Step 5: Solve for x
    x = 304,413,474.12/16,015.48
  6. Step 6: Final answer
    x = 19,007.45

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Half scale
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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.