Home / 18,193.95-27,240.30-9,290.04

Finding the Fourth Proportional to 18,193.95, 27,240.30 and 9,290.04

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Solution

The fourth proportional to 18,193.95, 27,240.30 and 9,290.04 is: 13,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.95 : 27,240.30 = 9,290.04 : x
  2. Step 2: Convert to fraction form
    18,193.95/27,240.30 = 9,290.04/x
  3. Step 3: Cross multiply
    18,193.95x = 27,240.30 × 9,290.04
  4. Step 4: Simplify right side
    18,193.95x = 253,063,476.61
  5. Step 5: Solve for x
    x = 253,063,476.61/18,193.95
  6. Step 6: Final answer
    x = 13,909.21

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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.