Home / 22,574.60-31,153.19-13,620.38

Finding the Fourth Proportional to 22,574.60, 31,153.19 and 13,620.38

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Solution

The fourth proportional to 22,574.60, 31,153.19 and 13,620.38 is: 18,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.60 : 31,153.19 = 13,620.38 : x
  2. Step 2: Convert to fraction form
    22,574.60/31,153.19 = 13,620.38/x
  3. Step 3: Cross multiply
    22,574.60x = 31,153.19 × 13,620.38
  4. Step 4: Simplify right side
    22,574.60x = 424,318,062.14
  5. Step 5: Solve for x
    x = 424,318,062.14/22,574.60
  6. Step 6: Final answer
    x = 18,796.26

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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.