Home / 16,230.56-22,398.96-9,943.28

Finding the Fourth Proportional to 16,230.56, 22,398.96 and 9,943.28

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Solution

The fourth proportional to 16,230.56, 22,398.96 and 9,943.28 is: 13,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.56 : 22,398.96 = 9,943.28 : x
  2. Step 2: Convert to fraction form
    16,230.56/22,398.96 = 9,943.28/x
  3. Step 3: Cross multiply
    16,230.56x = 22,398.96 × 9,943.28
  4. Step 4: Simplify right side
    16,230.56x = 222,719,130.99
  5. Step 5: Solve for x
    x = 222,719,130.99/16,230.56
  6. Step 6: Final answer
    x = 13,722.21

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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.