Home / 11,839.01-16,337.20-7,362.64

Finding the Fourth Proportional to 11,839.01, 16,337.20 and 7,362.64

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Solution

The fourth proportional to 11,839.01, 16,337.20 and 7,362.64 is: 10,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.01 : 16,337.20 = 7,362.64 : x
  2. Step 2: Convert to fraction form
    11,839.01/16,337.20 = 7,362.64/x
  3. Step 3: Cross multiply
    11,839.01x = 16,337.20 × 7,362.64
  4. Step 4: Simplify right side
    11,839.01x = 120,284,803.71
  5. Step 5: Solve for x
    x = 120,284,803.71/11,839.01
  6. Step 6: Final answer
    x = 10,160.04

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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.