Home / 12,265.13-18,397.87-3,500.05

Finding the Fourth Proportional to 12,265.13, 18,397.87 and 3,500.05

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Solution

The fourth proportional to 12,265.13, 18,397.87 and 3,500.05 is: 5,250.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.13 : 18,397.87 = 3,500.05 : x
  2. Step 2: Convert to fraction form
    12,265.13/18,397.87 = 3,500.05/x
  3. Step 3: Cross multiply
    12,265.13x = 18,397.87 × 3,500.05
  4. Step 4: Simplify right side
    12,265.13x = 64,393,464.89
  5. Step 5: Solve for x
    x = 64,393,464.89/12,265.13
  6. Step 6: Final answer
    x = 5,250.12

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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.