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Finding the Fourth Proportional to 10,479.03, 14,446.14 and 8,335.77

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Solution

The fourth proportional to 10,479.03, 14,446.14 and 8,335.77 is: 11,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.03 : 14,446.14 = 8,335.77 : x
  2. Step 2: Convert to fraction form
    10,479.03/14,446.14 = 8,335.77/x
  3. Step 3: Cross multiply
    10,479.03x = 14,446.14 × 8,335.77
  4. Step 4: Simplify right side
    10,479.03x = 120,419,700.43
  5. Step 5: Solve for x
    x = 120,419,700.43/10,479.03
  6. Step 6: Final answer
    x = 11,491.49

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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.