Home / 22,530.72-31,092.60-12,458.64

Finding the Fourth Proportional to 22,530.72, 31,092.60 and 12,458.64

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Solution

The fourth proportional to 22,530.72, 31,092.60 and 12,458.64 is: 17,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.72 : 31,092.60 = 12,458.64 : x
  2. Step 2: Convert to fraction form
    22,530.72/31,092.60 = 12,458.64/x
  3. Step 3: Cross multiply
    22,530.72x = 31,092.60 × 12,458.64
  4. Step 4: Simplify right side
    22,530.72x = 387,371,510.06
  5. Step 5: Solve for x
    x = 387,371,510.06/22,530.72
  6. Step 6: Final answer
    x = 17,193.04

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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.