Home / 22,244.74-30,708.84-12,811.48

Finding the Fourth Proportional to 22,244.74, 30,708.84 and 12,811.48

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Solution

The fourth proportional to 22,244.74, 30,708.84 and 12,811.48 is: 17,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.74 : 30,708.84 = 12,811.48 : x
  2. Step 2: Convert to fraction form
    22,244.74/30,708.84 = 12,811.48/x
  3. Step 3: Cross multiply
    22,244.74x = 30,708.84 × 12,811.48
  4. Step 4: Simplify right side
    22,244.74x = 393,425,689.48
  5. Step 5: Solve for x
    x = 393,425,689.48/22,244.74
  6. Step 6: Final answer
    x = 17,686.23

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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.