Home / 22,440.29-30,966.21-12,368.18

Finding the Fourth Proportional to 22,440.29, 30,966.21 and 12,368.18

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Solution

The fourth proportional to 22,440.29, 30,966.21 and 12,368.18 is: 17,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.29 : 30,966.21 = 12,368.18 : x
  2. Step 2: Convert to fraction form
    22,440.29/30,966.21 = 12,368.18/x
  3. Step 3: Cross multiply
    22,440.29x = 30,966.21 × 12,368.18
  4. Step 4: Simplify right side
    22,440.29x = 382,995,659.20
  5. Step 5: Solve for x
    x = 382,995,659.20/22,440.29
  6. Step 6: Final answer
    x = 17,067.32

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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.