Home / 14,238.44-19,649.35-7,950.81

Finding the Fourth Proportional to 14,238.44, 19,649.35 and 7,950.81

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Solution

The fourth proportional to 14,238.44, 19,649.35 and 7,950.81 is: 10,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.44 : 19,649.35 = 7,950.81 : x
  2. Step 2: Convert to fraction form
    14,238.44/19,649.35 = 7,950.81/x
  3. Step 3: Cross multiply
    14,238.44x = 19,649.35 × 7,950.81
  4. Step 4: Simplify right side
    14,238.44x = 156,228,248.47
  5. Step 5: Solve for x
    x = 156,228,248.47/14,238.44
  6. Step 6: Final answer
    x = 10,972.29

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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.