Home / 18,337.40-25,305.64-9,953.92

Finding the Fourth Proportional to 18,337.40, 25,305.64 and 9,953.92

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Solution

The fourth proportional to 18,337.40, 25,305.64 and 9,953.92 is: 13,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.40 : 25,305.64 = 9,953.92 : x
  2. Step 2: Convert to fraction form
    18,337.40/25,305.64 = 9,953.92/x
  3. Step 3: Cross multiply
    18,337.40x = 25,305.64 × 9,953.92
  4. Step 4: Simplify right side
    18,337.40x = 251,890,316.11
  5. Step 5: Solve for x
    x = 251,890,316.11/18,337.40
  6. Step 6: Final answer
    x = 13,736.42

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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.