Home / 15,163.28-22,766.02-7,772.84

Finding the Fourth Proportional to 15,163.28, 22,766.02 and 7,772.84

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Solution

The fourth proportional to 15,163.28, 22,766.02 and 7,772.84 is: 11,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.28 : 22,766.02 = 7,772.84 : x
  2. Step 2: Convert to fraction form
    15,163.28/22,766.02 = 7,772.84/x
  3. Step 3: Cross multiply
    15,163.28x = 22,766.02 × 7,772.84
  4. Step 4: Simplify right side
    15,163.28x = 176,956,630.90
  5. Step 5: Solve for x
    x = 176,956,630.90/15,163.28
  6. Step 6: Final answer
    x = 11,670.08

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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.