Home / 16,399.76-22,631.93-8,947.76

Finding the Fourth Proportional to 16,399.76, 22,631.93 and 8,947.76

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Solution

The fourth proportional to 16,399.76, 22,631.93 and 8,947.76 is: 12,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.76 : 22,631.93 = 8,947.76 : x
  2. Step 2: Convert to fraction form
    16,399.76/22,631.93 = 8,947.76/x
  3. Step 3: Cross multiply
    16,399.76x = 22,631.93 × 8,947.76
  4. Step 4: Simplify right side
    16,399.76x = 202,505,077.98
  5. Step 5: Solve for x
    x = 202,505,077.98/16,399.76
  6. Step 6: Final answer
    x = 12,348.05

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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.