Home / 15,276.82-22,912.14-8,947.90

Finding the Fourth Proportional to 15,276.82, 22,912.14 and 8,947.90

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Solution

The fourth proportional to 15,276.82, 22,912.14 and 8,947.90 is: 13,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276.82 : 22,912.14 = 8,947.90 : x
  2. Step 2: Convert to fraction form
    15,276.82/22,912.14 = 8,947.90/x
  3. Step 3: Cross multiply
    15,276.82x = 22,912.14 × 8,947.90
  4. Step 4: Simplify right side
    15,276.82x = 205,015,537.51
  5. Step 5: Solve for x
    x = 205,015,537.51/15,276.82
  6. Step 6: Final answer
    x = 13,420.04

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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.