Home / 16,875.72-25,311.21-9,279.39

Finding the Fourth Proportional to 16,875.72, 25,311.21 and 9,279.39

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Solution

The fourth proportional to 16,875.72, 25,311.21 and 9,279.39 is: 13,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.72 : 25,311.21 = 9,279.39 : x
  2. Step 2: Convert to fraction form
    16,875.72/25,311.21 = 9,279.39/x
  3. Step 3: Cross multiply
    16,875.72x = 25,311.21 × 9,279.39
  4. Step 4: Simplify right side
    16,875.72x = 234,872,588.96
  5. Step 5: Solve for x
    x = 234,872,588.96/16,875.72
  6. Step 6: Final answer
    x = 13,917.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.