Home / 18,357.12-25,333.20-9,974.16

Finding the Fourth Proportional to 18,357.12, 25,333.20 and 9,974.16

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Solution

The fourth proportional to 18,357.12, 25,333.20 and 9,974.16 is: 13,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.12 : 25,333.20 = 9,974.16 : x
  2. Step 2: Convert to fraction form
    18,357.12/25,333.20 = 9,974.16/x
  3. Step 3: Cross multiply
    18,357.12x = 25,333.20 × 9,974.16
  4. Step 4: Simplify right side
    18,357.12x = 252,677,390.11
  5. Step 5: Solve for x
    x = 252,677,390.11/18,357.12
  6. Step 6: Final answer
    x = 13,764.54

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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.