Home / 13,937.20-19,234.67-7,967.73

Finding the Fourth Proportional to 13,937.20, 19,234.67 and 7,967.73

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Solution

The fourth proportional to 13,937.20, 19,234.67 and 7,967.73 is: 10,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.20 : 19,234.67 = 7,967.73 : x
  2. Step 2: Convert to fraction form
    13,937.20/19,234.67 = 7,967.73/x
  3. Step 3: Cross multiply
    13,937.20x = 19,234.67 × 7,967.73
  4. Step 4: Simplify right side
    13,937.20x = 153,256,689.49
  5. Step 5: Solve for x
    x = 153,256,689.49/13,937.20
  6. Step 6: Final answer
    x = 10,996.23

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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.