Home / 16,621.56-22,938.30-9,908.28

Finding the Fourth Proportional to 16,621.56, 22,938.30 and 9,908.28

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Solution

The fourth proportional to 16,621.56, 22,938.30 and 9,908.28 is: 13,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.56 : 22,938.30 = 9,908.28 : x
  2. Step 2: Convert to fraction form
    16,621.56/22,938.30 = 9,908.28/x
  3. Step 3: Cross multiply
    16,621.56x = 22,938.30 × 9,908.28
  4. Step 4: Simplify right side
    16,621.56x = 227,279,099.12
  5. Step 5: Solve for x
    x = 227,279,099.12/16,621.56
  6. Step 6: Final answer
    x = 13,673.75

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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.