Home / 22,348.95-30,841.86-12,278.29

Finding the Fourth Proportional to 22,348.95, 30,841.86 and 12,278.29

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Solution

The fourth proportional to 22,348.95, 30,841.86 and 12,278.29 is: 16,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,348.95 : 30,841.86 = 12,278.29 : x
  2. Step 2: Convert to fraction form
    22,348.95/30,841.86 = 12,278.29/x
  3. Step 3: Cross multiply
    22,348.95x = 30,841.86 × 12,278.29
  4. Step 4: Simplify right side
    22,348.95x = 378,685,301.22
  5. Step 5: Solve for x
    x = 378,685,301.22/22,348.95
  6. Step 6: Final answer
    x = 16,944.21

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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.