Home / 18,239.85-27,303.12-9,899.19

Finding the Fourth Proportional to 18,239.85, 27,303.12 and 9,899.19

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Solution

The fourth proportional to 18,239.85, 27,303.12 and 9,899.19 is: 14,818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.85 : 27,303.12 = 9,899.19 : x
  2. Step 2: Convert to fraction form
    18,239.85/27,303.12 = 9,899.19/x
  3. Step 3: Cross multiply
    18,239.85x = 27,303.12 × 9,899.19
  4. Step 4: Simplify right side
    18,239.85x = 270,278,772.47
  5. Step 5: Solve for x
    x = 270,278,772.47/18,239.85
  6. Step 6: Final answer
    x = 14,818.04

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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.