Home / 10,108.95-15,174.21-8,946.35

Finding the Fourth Proportional to 10,108.95, 15,174.21 and 8,946.35

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Solution

The fourth proportional to 10,108.95, 15,174.21 and 8,946.35 is: 13,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.95 : 15,174.21 = 8,946.35 : x
  2. Step 2: Convert to fraction form
    10,108.95/15,174.21 = 8,946.35/x
  3. Step 3: Cross multiply
    10,108.95x = 15,174.21 × 8,946.35
  4. Step 4: Simplify right side
    10,108.95x = 135,753,755.70
  5. Step 5: Solve for x
    x = 135,753,755.70/10,108.95
  6. Step 6: Final answer
    x = 13,429.06

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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.