Home / 22,970.04-31,691.70-12,897.42

Finding the Fourth Proportional to 22,970.04, 31,691.70 and 12,897.42

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Solution

The fourth proportional to 22,970.04, 31,691.70 and 12,897.42 is: 17,794.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,970.04 : 31,691.70 = 12,897.42 : x
  2. Step 2: Convert to fraction form
    22,970.04/31,691.70 = 12,897.42/x
  3. Step 3: Cross multiply
    22,970.04x = 31,691.70 × 12,897.42
  4. Step 4: Simplify right side
    22,970.04x = 408,741,165.41
  5. Step 5: Solve for x
    x = 408,741,165.41/22,970.04
  6. Step 6: Final answer
    x = 17,794.53

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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.