Home / 19,622.47-29,433.04-8,529.15

Finding the Fourth Proportional to 19,622.47, 29,433.04 and 8,529.15

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Solution

The fourth proportional to 19,622.47, 29,433.04 and 8,529.15 is: 12,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.47 : 29,433.04 = 8,529.15 : x
  2. Step 2: Convert to fraction form
    19,622.47/29,433.04 = 8,529.15/x
  3. Step 3: Cross multiply
    19,622.47x = 29,433.04 × 8,529.15
  4. Step 4: Simplify right side
    19,622.47x = 251,038,736.61
  5. Step 5: Solve for x
    x = 251,038,736.61/19,622.47
  6. Step 6: Final answer
    x = 12,793.43

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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.