Home / 22,440.66-30,967.96-12,369.11

Finding the Fourth Proportional to 22,440.66, 30,967.96 and 12,369.11

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Solution

The fourth proportional to 22,440.66, 30,967.96 and 12,369.11 is: 17,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.66 : 30,967.96 = 12,369.11 : x
  2. Step 2: Convert to fraction form
    22,440.66/30,967.96 = 12,369.11/x
  3. Step 3: Cross multiply
    22,440.66x = 30,967.96 × 12,369.11
  4. Step 4: Simplify right side
    22,440.66x = 383,046,115.34
  5. Step 5: Solve for x
    x = 383,046,115.34/22,440.66
  6. Step 6: Final answer
    x = 17,069.29

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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.