Home / 12,501.30-18,753.07-3,616.49

Finding the Fourth Proportional to 12,501.30, 18,753.07 and 3,616.49

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Solution

The fourth proportional to 12,501.30, 18,753.07 and 3,616.49 is: 5,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.30 : 18,753.07 = 3,616.49 : x
  2. Step 2: Convert to fraction form
    12,501.30/18,753.07 = 3,616.49/x
  3. Step 3: Cross multiply
    12,501.30x = 18,753.07 × 3,616.49
  4. Step 4: Simplify right side
    12,501.30x = 67,820,290.12
  5. Step 5: Solve for x
    x = 67,820,290.12/12,501.30
  6. Step 6: Final answer
    x = 5,425.06

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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.