Home / 22,860.47-31,553.79-13,302.20

Finding the Fourth Proportional to 22,860.47, 31,553.79 and 13,302.20

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Solution

The fourth proportional to 22,860.47, 31,553.79 and 13,302.20 is: 18,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.47 : 31,553.79 = 13,302.20 : x
  2. Step 2: Convert to fraction form
    22,860.47/31,553.79 = 13,302.20/x
  3. Step 3: Cross multiply
    22,860.47x = 31,553.79 × 13,302.20
  4. Step 4: Simplify right side
    22,860.47x = 419,734,825.34
  5. Step 5: Solve for x
    x = 419,734,825.34/22,860.47
  6. Step 6: Final answer
    x = 18,360.73

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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.