Home / 22,344.03-30,832.95-12,913.20

Finding the Fourth Proportional to 22,344.03, 30,832.95 and 12,913.20

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Solution

The fourth proportional to 22,344.03, 30,832.95 and 12,913.20 is: 17,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,344.03 : 30,832.95 = 12,913.20 : x
  2. Step 2: Convert to fraction form
    22,344.03/30,832.95 = 12,913.20/x
  3. Step 3: Cross multiply
    22,344.03x = 30,832.95 × 12,913.20
  4. Step 4: Simplify right side
    22,344.03x = 398,152,049.94
  5. Step 5: Solve for x
    x = 398,152,049.94/22,344.03
  6. Step 6: Final answer
    x = 17,819.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.