Home / 22,440.32-30,968.29-12,369.41

Finding the Fourth Proportional to 22,440.32, 30,968.29 and 12,369.41

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Solution

The fourth proportional to 22,440.32, 30,968.29 and 12,369.41 is: 17,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.32 : 30,968.29 = 12,369.41 : x
  2. Step 2: Convert to fraction form
    22,440.32/30,968.29 = 12,369.41/x
  3. Step 3: Cross multiply
    22,440.32x = 30,968.29 × 12,369.41
  4. Step 4: Simplify right side
    22,440.32x = 383,059,452.76
  5. Step 5: Solve for x
    x = 383,059,452.76/22,440.32
  6. Step 6: Final answer
    x = 17,070.14

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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.