Home / 22,439.29-30,968-12,369.52

Finding the Fourth Proportional to 22,439.29, 30,968 and 12,369.52

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Solution

The fourth proportional to 22,439.29, 30,968 and 12,369.52 is: 17,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.29 : 30,968 = 12,369.52 : x
  2. Step 2: Convert to fraction form
    22,439.29/30,968 = 12,369.52/x
  3. Step 3: Cross multiply
    22,439.29x = 30,968 × 12,369.52
  4. Step 4: Simplify right side
    22,439.29x = 383,059,295.36
  5. Step 5: Solve for x
    x = 383,059,295.36/22,439.29
  6. Step 6: Final answer
    x = 17,070.92

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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.