Home / 43,086.72-64,624.92-11,499.16

Finding the Fourth Proportional to 43,086.72, 64,624.92 and 11,499.16

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Solution

The fourth proportional to 43,086.72, 64,624.92 and 11,499.16 is: 17,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,086.72 : 64,624.92 = 11,499.16 : x
  2. Step 2: Convert to fraction form
    43,086.72/64,624.92 = 11,499.16/x
  3. Step 3: Cross multiply
    43,086.72x = 64,624.92 × 11,499.16
  4. Step 4: Simplify right side
    43,086.72x = 743,132,295.07
  5. Step 5: Solve for x
    x = 743,132,295.07/43,086.72
  6. Step 6: Final answer
    x = 17,247.36

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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.