Home / 21,144.10-31,713.62-5,562.94

Finding the Fourth Proportional to 21,144.10, 31,713.62 and 5,562.94

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Solution

The fourth proportional to 21,144.10, 31,713.62 and 5,562.94 is: 8,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,144.10 : 31,713.62 = 5,562.94 : x
  2. Step 2: Convert to fraction form
    21,144.10/31,713.62 = 5,562.94/x
  3. Step 3: Cross multiply
    21,144.10x = 31,713.62 × 5,562.94
  4. Step 4: Simplify right side
    21,144.10x = 176,420,965.24
  5. Step 5: Solve for x
    x = 176,420,965.24/21,144.10
  6. Step 6: Final answer
    x = 8,343.74

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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.