Home / 12,350.34-18,519.90-5,327.03

Finding the Fourth Proportional to 12,350.34, 18,519.90 and 5,327.03

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Solution

The fourth proportional to 12,350.34, 18,519.90 and 5,327.03 is: 7,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.34 : 18,519.90 = 5,327.03 : x
  2. Step 2: Convert to fraction form
    12,350.34/18,519.90 = 5,327.03/x
  3. Step 3: Cross multiply
    12,350.34x = 18,519.90 × 5,327.03
  4. Step 4: Simplify right side
    12,350.34x = 98,656,062.90
  5. Step 5: Solve for x
    x = 98,656,062.90/12,350.34
  6. Step 6: Final answer
    x = 7,988.13

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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.