Home / 18,331.52-25,297.35-9,948.02

Finding the Fourth Proportional to 18,331.52, 25,297.35 and 9,948.02

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Solution

The fourth proportional to 18,331.52, 25,297.35 and 9,948.02 is: 13,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.52 : 25,297.35 = 9,948.02 : x
  2. Step 2: Convert to fraction form
    18,331.52/25,297.35 = 9,948.02/x
  3. Step 3: Cross multiply
    18,331.52x = 25,297.35 × 9,948.02
  4. Step 4: Simplify right side
    18,331.52x = 251,658,543.75
  5. Step 5: Solve for x
    x = 251,658,543.75/18,331.52
  6. Step 6: Final answer
    x = 13,728.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.