Home / 18,338.08-25,305.14-10,784.72

Finding the Fourth Proportional to 18,338.08, 25,305.14 and 10,784.72

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Solution

The fourth proportional to 18,338.08, 25,305.14 and 10,784.72 is: 14,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.08 : 25,305.14 = 10,784.72 : x
  2. Step 2: Convert to fraction form
    18,338.08/25,305.14 = 10,784.72/x
  3. Step 3: Cross multiply
    18,338.08x = 25,305.14 × 10,784.72
  4. Step 4: Simplify right side
    18,338.08x = 272,908,849.46
  5. Step 5: Solve for x
    x = 272,908,849.46/18,338.08
  6. Step 6: Final answer
    x = 14,882.08

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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.