Home / 65,511.64-98,269.38-18,127.12

Finding the Fourth Proportional to 65,511.64, 98,269.38 and 18,127.12

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Solution

The fourth proportional to 65,511.64, 98,269.38 and 18,127.12 is: 27,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,511.64 : 98,269.38 = 18,127.12 : x
  2. Step 2: Convert to fraction form
    65,511.64/98,269.38 = 18,127.12/x
  3. Step 3: Cross multiply
    65,511.64x = 98,269.38 × 18,127.12
  4. Step 4: Simplify right side
    65,511.64x = 1,781,340,454.80
  5. Step 5: Solve for x
    x = 1,781,340,454.80/65,511.64
  6. Step 6: Final answer
    x = 27,191.21

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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.