Home / 16,399.52-22,631.40-8,947.52

Finding the Fourth Proportional to 16,399.52, 22,631.40 and 8,947.52

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Solution

The fourth proportional to 16,399.52, 22,631.40 and 8,947.52 is: 12,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.52 : 22,631.40 = 8,947.52 : x
  2. Step 2: Convert to fraction form
    16,399.52/22,631.40 = 8,947.52/x
  3. Step 3: Cross multiply
    16,399.52x = 22,631.40 × 8,947.52
  4. Step 4: Simplify right side
    16,399.52x = 202,494,904.13
  5. Step 5: Solve for x
    x = 202,494,904.13/16,399.52
  6. Step 6: Final answer
    x = 12,347.61

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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.