Home / 16,631.56-22,941.48-9,912.70

Finding the Fourth Proportional to 16,631.56, 22,941.48 and 9,912.70

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Solution

The fourth proportional to 16,631.56, 22,941.48 and 9,912.70 is: 13,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.56 : 22,941.48 = 9,912.70 : x
  2. Step 2: Convert to fraction form
    16,631.56/22,941.48 = 9,912.70/x
  3. Step 3: Cross multiply
    16,631.56x = 22,941.48 × 9,912.70
  4. Step 4: Simplify right side
    16,631.56x = 227,412,008.80
  5. Step 5: Solve for x
    x = 227,412,008.80/16,631.56
  6. Step 6: Final answer
    x = 13,673.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.