Home / 16,871.30-25,314.15-8,101.70

Finding the Fourth Proportional to 16,871.30, 25,314.15 and 8,101.70

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Solution

The fourth proportional to 16,871.30, 25,314.15 and 8,101.70 is: 12,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.30 : 25,314.15 = 8,101.70 : x
  2. Step 2: Convert to fraction form
    16,871.30/25,314.15 = 8,101.70/x
  3. Step 3: Cross multiply
    16,871.30x = 25,314.15 × 8,101.70
  4. Step 4: Simplify right side
    16,871.30x = 205,087,649.06
  5. Step 5: Solve for x
    x = 205,087,649.06/16,871.30
  6. Step 6: Final answer
    x = 12,156.01

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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.