Home / 22,947.20-34,400.32-9,086.72

Finding the Fourth Proportional to 22,947.20, 34,400.32 and 9,086.72

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Solution

The fourth proportional to 22,947.20, 34,400.32 and 9,086.72 is: 13,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,947.20 : 34,400.32 = 9,086.72 : x
  2. Step 2: Convert to fraction form
    22,947.20/34,400.32 = 9,086.72/x
  3. Step 3: Cross multiply
    22,947.20x = 34,400.32 × 9,086.72
  4. Step 4: Simplify right side
    22,947.20x = 312,586,075.75
  5. Step 5: Solve for x
    x = 312,586,075.75/22,947.20
  6. Step 6: Final answer
    x = 13,621.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.