Home / 22,650.67-31,257.95-12,579.13

Finding the Fourth Proportional to 22,650.67, 31,257.95 and 12,579.13

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Solution

The fourth proportional to 22,650.67, 31,257.95 and 12,579.13 is: 17,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.67 : 31,257.95 = 12,579.13 : x
  2. Step 2: Convert to fraction form
    22,650.67/31,257.95 = 12,579.13/x
  3. Step 3: Cross multiply
    22,650.67x = 31,257.95 × 12,579.13
  4. Step 4: Simplify right side
    22,650.67x = 393,197,863.52
  5. Step 5: Solve for x
    x = 393,197,863.52/22,650.67
  6. Step 6: Final answer
    x = 17,359.21

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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.