Home / 10,663.38-16,008.95-8,199.93

Finding the Fourth Proportional to 10,663.38, 16,008.95 and 8,199.93

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Solution

The fourth proportional to 10,663.38, 16,008.95 and 8,199.93 is: 12,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.38 : 16,008.95 = 8,199.93 : x
  2. Step 2: Convert to fraction form
    10,663.38/16,008.95 = 8,199.93/x
  3. Step 3: Cross multiply
    10,663.38x = 16,008.95 × 8,199.93
  4. Step 4: Simplify right side
    10,663.38x = 131,272,228.37
  5. Step 5: Solve for x
    x = 131,272,228.37/10,663.38
  6. Step 6: Final answer
    x = 12,310.56

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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.