Home / 8,432.97-12,648.18-5,303.43

Finding the Fourth Proportional to 8,432.97, 12,648.18 and 5,303.43

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Solution

The fourth proportional to 8,432.97, 12,648.18 and 5,303.43 is: 7,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.97 : 12,648.18 = 5,303.43 : x
  2. Step 2: Convert to fraction form
    8,432.97/12,648.18 = 5,303.43/x
  3. Step 3: Cross multiply
    8,432.97x = 12,648.18 × 5,303.43
  4. Step 4: Simplify right side
    8,432.97x = 67,078,737.26
  5. Step 5: Solve for x
    x = 67,078,737.26/8,432.97
  6. Step 6: Final answer
    x = 7,954.34

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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.