Home / 18,868.11-26,037.97-10,484.61

Finding the Fourth Proportional to 18,868.11, 26,037.97 and 10,484.61

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Solution

The fourth proportional to 18,868.11, 26,037.97 and 10,484.61 is: 14,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.11 : 26,037.97 = 10,484.61 : x
  2. Step 2: Convert to fraction form
    18,868.11/26,037.97 = 10,484.61/x
  3. Step 3: Cross multiply
    18,868.11x = 26,037.97 × 10,484.61
  4. Step 4: Simplify right side
    18,868.11x = 272,997,960.64
  5. Step 5: Solve for x
    x = 272,997,960.64/18,868.11
  6. Step 6: Final answer
    x = 14,468.75

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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.