Home / 20,571.48-30,832.25-9,462.87

Finding the Fourth Proportional to 20,571.48, 30,832.25 and 9,462.87

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Solution

The fourth proportional to 20,571.48, 30,832.25 and 9,462.87 is: 14,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571.48 : 30,832.25 = 9,462.87 : x
  2. Step 2: Convert to fraction form
    20,571.48/30,832.25 = 9,462.87/x
  3. Step 3: Cross multiply
    20,571.48x = 30,832.25 × 9,462.87
  4. Step 4: Simplify right side
    20,571.48x = 291,761,526.24
  5. Step 5: Solve for x
    x = 291,761,526.24/20,571.48
  6. Step 6: Final answer
    x = 14,182.82

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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.