Home / 16,878.27-23,291.87-9,325.14

Finding the Fourth Proportional to 16,878.27, 23,291.87 and 9,325.14

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Solution

The fourth proportional to 16,878.27, 23,291.87 and 9,325.14 is: 12,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.27 : 23,291.87 = 9,325.14 : x
  2. Step 2: Convert to fraction form
    16,878.27/23,291.87 = 9,325.14/x
  3. Step 3: Cross multiply
    16,878.27x = 23,291.87 × 9,325.14
  4. Step 4: Simplify right side
    16,878.27x = 217,199,948.61
  5. Step 5: Solve for x
    x = 217,199,948.61/16,878.27
  6. Step 6: Final answer
    x = 12,868.61

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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.