Home / 22,530.77-31,091.91-12,458.95

Finding the Fourth Proportional to 22,530.77, 31,091.91 and 12,458.95

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Solution

The fourth proportional to 22,530.77, 31,091.91 and 12,458.95 is: 17,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.77 : 31,091.91 = 12,458.95 : x
  2. Step 2: Convert to fraction form
    22,530.77/31,091.91 = 12,458.95/x
  3. Step 3: Cross multiply
    22,530.77x = 31,091.91 × 12,458.95
  4. Step 4: Simplify right side
    22,530.77x = 387,372,334.34
  5. Step 5: Solve for x
    x = 387,372,334.34/22,530.77
  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.