Home / 10,311.93-14,194.51-8,900.10

Finding the Fourth Proportional to 10,311.93, 14,194.51 and 8,900.10

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Solution

The fourth proportional to 10,311.93, 14,194.51 and 8,900.10 is: 12,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.93 : 14,194.51 = 8,900.10 : x
  2. Step 2: Convert to fraction form
    10,311.93/14,194.51 = 8,900.10/x
  3. Step 3: Cross multiply
    10,311.93x = 14,194.51 × 8,900.10
  4. Step 4: Simplify right side
    10,311.93x = 126,332,536.20
  5. Step 5: Solve for x
    x = 126,332,536.20/10,311.93
  6. Step 6: Final answer
    x = 12,251.10

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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.