Home / 23,153.63-31,951.97-12,543.30

Finding the Fourth Proportional to 23,153.63, 31,951.97 and 12,543.30

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Solution

The fourth proportional to 23,153.63, 31,951.97 and 12,543.30 is: 17,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.63 : 31,951.97 = 12,543.30 : x
  2. Step 2: Convert to fraction form
    23,153.63/31,951.97 = 12,543.30/x
  3. Step 3: Cross multiply
    23,153.63x = 31,951.97 × 12,543.30
  4. Step 4: Simplify right side
    23,153.63x = 400,783,145.30
  5. Step 5: Solve for x
    x = 400,783,145.30/23,153.63
  6. Step 6: Final answer
    x = 17,309.73

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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.