Home / 13,937.66-19,233.84-7,649.90

Finding the Fourth Proportional to 13,937.66, 19,233.84 and 7,649.90

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Solution

The fourth proportional to 13,937.66, 19,233.84 and 7,649.90 is: 10,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.66 : 19,233.84 = 7,649.90 : x
  2. Step 2: Convert to fraction form
    13,937.66/19,233.84 = 7,649.90/x
  3. Step 3: Cross multiply
    13,937.66x = 19,233.84 × 7,649.90
  4. Step 4: Simplify right side
    13,937.66x = 147,136,952.62
  5. Step 5: Solve for x
    x = 147,136,952.62/13,937.66
  6. Step 6: Final answer
    x = 10,556.79

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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.