Home / 20,134.23-27,799.13-12,583.95

Finding the Fourth Proportional to 20,134.23, 27,799.13 and 12,583.95

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Solution

The fourth proportional to 20,134.23, 27,799.13 and 12,583.95 is: 17,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.23 : 27,799.13 = 12,583.95 : x
  2. Step 2: Convert to fraction form
    20,134.23/27,799.13 = 12,583.95/x
  3. Step 3: Cross multiply
    20,134.23x = 27,799.13 × 12,583.95
  4. Step 4: Simplify right side
    20,134.23x = 349,822,741.99
  5. Step 5: Solve for x
    x = 349,822,741.99/20,134.23
  6. Step 6: Final answer
    x = 17,374.53

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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.