Home / 18,342.12-27,490.50-10,451.25

Finding the Fourth Proportional to 18,342.12, 27,490.50 and 10,451.25

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Solution

The fourth proportional to 18,342.12, 27,490.50 and 10,451.25 is: 15,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.12 : 27,490.50 = 10,451.25 : x
  2. Step 2: Convert to fraction form
    18,342.12/27,490.50 = 10,451.25/x
  3. Step 3: Cross multiply
    18,342.12x = 27,490.50 × 10,451.25
  4. Step 4: Simplify right side
    18,342.12x = 287,310,088.13
  5. Step 5: Solve for x
    x = 287,310,088.13/18,342.12
  6. Step 6: Final answer
    x = 15,663.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.