Home / 22,963.57-31,691.55-12,892.67

Finding the Fourth Proportional to 22,963.57, 31,691.55 and 12,892.67

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Solution

The fourth proportional to 22,963.57, 31,691.55 and 12,892.67 is: 17,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,963.57 : 31,691.55 = 12,892.67 : x
  2. Step 2: Convert to fraction form
    22,963.57/31,691.55 = 12,892.67/x
  3. Step 3: Cross multiply
    22,963.57x = 31,691.55 × 12,892.67
  4. Step 4: Simplify right side
    22,963.57x = 408,588,704.67
  5. Step 5: Solve for x
    x = 408,588,704.67/22,963.57
  6. Step 6: Final answer
    x = 17,792.91

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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.