Home / 42,162.24-63,243.84-10,997.76

Finding the Fourth Proportional to 42,162.24, 63,243.84 and 10,997.76

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Solution

The fourth proportional to 42,162.24, 63,243.84 and 10,997.76 is: 16,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,162.24 : 63,243.84 = 10,997.76 : x
  2. Step 2: Convert to fraction form
    42,162.24/63,243.84 = 10,997.76/x
  3. Step 3: Cross multiply
    42,162.24x = 63,243.84 × 10,997.76
  4. Step 4: Simplify right side
    42,162.24x = 695,540,573.80
  5. Step 5: Solve for x
    x = 695,540,573.80/42,162.24
  6. Step 6: Final answer
    x = 16,496.77

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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.