Home / 22,337.31-30,815.66-13,837.17

Finding the Fourth Proportional to 22,337.31, 30,815.66 and 13,837.17

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Solution

The fourth proportional to 22,337.31, 30,815.66 and 13,837.17 is: 19,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,337.31 : 30,815.66 = 13,837.17 : x
  2. Step 2: Convert to fraction form
    22,337.31/30,815.66 = 13,837.17/x
  3. Step 3: Cross multiply
    22,337.31x = 30,815.66 × 13,837.17
  4. Step 4: Simplify right side
    22,337.31x = 426,401,560.68
  5. Step 5: Solve for x
    x = 426,401,560.68/22,337.31
  6. Step 6: Final answer
    x = 19,089.21

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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.