Home / 10,666.65-16,003.07-3,272.20

Finding the Fourth Proportional to 10,666.65, 16,003.07 and 3,272.20

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Solution

The fourth proportional to 10,666.65, 16,003.07 and 3,272.20 is: 4,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.65 : 16,003.07 = 3,272.20 : x
  2. Step 2: Convert to fraction form
    10,666.65/16,003.07 = 3,272.20/x
  3. Step 3: Cross multiply
    10,666.65x = 16,003.07 × 3,272.20
  4. Step 4: Simplify right side
    10,666.65x = 52,365,229.29
  5. Step 5: Solve for x
    x = 52,365,229.29/10,666.65
  6. Step 6: Final answer
    x = 4,909.25

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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.