Home / 22,627.08-31,225.70-12,418.95

Finding the Fourth Proportional to 22,627.08, 31,225.70 and 12,418.95

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Solution

The fourth proportional to 22,627.08, 31,225.70 and 12,418.95 is: 17,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.08 : 31,225.70 = 12,418.95 : x
  2. Step 2: Convert to fraction form
    22,627.08/31,225.70 = 12,418.95/x
  3. Step 3: Cross multiply
    22,627.08x = 31,225.70 × 12,418.95
  4. Step 4: Simplify right side
    22,627.08x = 387,790,555.16
  5. Step 5: Solve for x
    x = 387,790,555.16/22,627.08
  6. Step 6: Final answer
    x = 17,138.34

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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.