Home / 22,666.29-31,279.26-12,594.75

Finding the Fourth Proportional to 22,666.29, 31,279.26 and 12,594.75

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Solution

The fourth proportional to 22,666.29, 31,279.26 and 12,594.75 is: 17,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.29 : 31,279.26 = 12,594.75 : x
  2. Step 2: Convert to fraction form
    22,666.29/31,279.26 = 12,594.75/x
  3. Step 3: Cross multiply
    22,666.29x = 31,279.26 × 12,594.75
  4. Step 4: Simplify right side
    22,666.29x = 393,954,459.89
  5. Step 5: Solve for x
    x = 393,954,459.89/22,666.29
  6. Step 6: Final answer
    x = 17,380.63

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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.