Home / 22,600.57-31,189.34-12,392.18

Finding the Fourth Proportional to 22,600.57, 31,189.34 and 12,392.18

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Solution

The fourth proportional to 22,600.57, 31,189.34 and 12,392.18 is: 17,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.57 : 31,189.34 = 12,392.18 : x
  2. Step 2: Convert to fraction form
    22,600.57/31,189.34 = 12,392.18/x
  3. Step 3: Cross multiply
    22,600.57x = 31,189.34 × 12,392.18
  4. Step 4: Simplify right side
    22,600.57x = 386,503,931.37
  5. Step 5: Solve for x
    x = 386,503,931.37/22,600.57
  6. Step 6: Final answer
    x = 17,101.51

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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.