Home / 18,338.16-25,305.12-10,784.76

Finding the Fourth Proportional to 18,338.16, 25,305.12 and 10,784.76

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Solution

The fourth proportional to 18,338.16, 25,305.12 and 10,784.76 is: 14,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.16 : 25,305.12 = 10,784.76 : x
  2. Step 2: Convert to fraction form
    18,338.16/25,305.12 = 10,784.76/x
  3. Step 3: Cross multiply
    18,338.16x = 25,305.12 × 10,784.76
  4. Step 4: Simplify right side
    18,338.16x = 272,909,645.97
  5. Step 5: Solve for x
    x = 272,909,645.97/18,338.16
  6. Step 6: Final answer
    x = 14,882.06

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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.