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Finding the Fourth Proportional to 22,897.65, 34,359.21 and 12,367.44

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Solution

The fourth proportional to 22,897.65, 34,359.21 and 12,367.44 is: 18,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,897.65 : 34,359.21 = 12,367.44 : x
  2. Step 2: Convert to fraction form
    22,897.65/34,359.21 = 12,367.44/x
  3. Step 3: Cross multiply
    22,897.65x = 34,359.21 × 12,367.44
  4. Step 4: Simplify right side
    22,897.65x = 424,935,468.12
  5. Step 5: Solve for x
    x = 424,935,468.12/22,897.65
  6. Step 6: Final answer
    x = 18,558.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.