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Finding the Fourth Proportional to 15,295.80, 22,943.70 and 8,734.80

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Solution

The fourth proportional to 15,295.80, 22,943.70 and 8,734.80 is: 13,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295.80 : 22,943.70 = 8,734.80 : x
  2. Step 2: Convert to fraction form
    15,295.80/22,943.70 = 8,734.80/x
  3. Step 3: Cross multiply
    15,295.80x = 22,943.70 × 8,734.80
  4. Step 4: Simplify right side
    15,295.80x = 200,408,630.76
  5. Step 5: Solve for x
    x = 200,408,630.76/15,295.80
  6. Step 6: Final answer
    x = 13,102.20

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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.