Home / 15,170.56-22,766.16-9,309.28

Finding the Fourth Proportional to 15,170.56, 22,766.16 and 9,309.28

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Solution

The fourth proportional to 15,170.56, 22,766.16 and 9,309.28 is: 13,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.56 : 22,766.16 = 9,309.28 : x
  2. Step 2: Convert to fraction form
    15,170.56/22,766.16 = 9,309.28/x
  3. Step 3: Cross multiply
    15,170.56x = 22,766.16 × 9,309.28
  4. Step 4: Simplify right side
    15,170.56x = 211,936,557.96
  5. Step 5: Solve for x
    x = 211,936,557.96/15,170.56
  6. Step 6: Final answer
    x = 13,970.25

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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.