Home / 16,989.96-23,446.19-9,436.28

Finding the Fourth Proportional to 16,989.96, 23,446.19 and 9,436.28

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Solution

The fourth proportional to 16,989.96, 23,446.19 and 9,436.28 is: 13,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.96 : 23,446.19 = 9,436.28 : x
  2. Step 2: Convert to fraction form
    16,989.96/23,446.19 = 9,436.28/x
  3. Step 3: Cross multiply
    16,989.96x = 23,446.19 × 9,436.28
  4. Step 4: Simplify right side
    16,989.96x = 221,244,895.98
  5. Step 5: Solve for x
    x = 221,244,895.98/16,989.96
  6. Step 6: Final answer
    x = 13,022.10

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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.