Home / 15,121.24-22,685.52-5,259.12

Finding the Fourth Proportional to 15,121.24, 22,685.52 and 5,259.12

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Solution

The fourth proportional to 15,121.24, 22,685.52 and 5,259.12 is: 7,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.24 : 22,685.52 = 5,259.12 : x
  2. Step 2: Convert to fraction form
    15,121.24/22,685.52 = 5,259.12/x
  3. Step 3: Cross multiply
    15,121.24x = 22,685.52 × 5,259.12
  4. Step 4: Simplify right side
    15,121.24x = 119,305,871.94
  5. Step 5: Solve for x
    x = 119,305,871.94/15,121.24
  6. Step 6: Final answer
    x = 7,889.95

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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.