Home / 22,530.60-31,091.64-12,458.76

Finding the Fourth Proportional to 22,530.60, 31,091.64 and 12,458.76

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Solution

The fourth proportional to 22,530.60, 31,091.64 and 12,458.76 is: 17,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.60 : 31,091.64 = 12,458.76 : x
  2. Step 2: Convert to fraction form
    22,530.60/31,091.64 = 12,458.76/x
  3. Step 3: Cross multiply
    22,530.60x = 31,091.64 × 12,458.76
  4. Step 4: Simplify right side
    22,530.60x = 387,363,280.77
  5. Step 5: Solve for x
    x = 387,363,280.77/22,530.60
  6. Step 6: Final answer
    x = 17,192.76

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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.