Home / 13,937.31-19,232.91-7,649.82

Finding the Fourth Proportional to 13,937.31, 19,232.91 and 7,649.82

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Solution

The fourth proportional to 13,937.31, 19,232.91 and 7,649.82 is: 10,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.31 : 19,232.91 = 7,649.82 : x
  2. Step 2: Convert to fraction form
    13,937.31/19,232.91 = 7,649.82/x
  3. Step 3: Cross multiply
    13,937.31x = 19,232.91 × 7,649.82
  4. Step 4: Simplify right side
    13,937.31x = 147,128,299.58
  5. Step 5: Solve for x
    x = 147,128,299.58/13,937.31
  6. Step 6: Final answer
    x = 10,556.43

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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.