Home / 14,248.83-19,663.29-7,961.22

Finding the Fourth Proportional to 14,248.83, 19,663.29 and 7,961.22

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Solution

The fourth proportional to 14,248.83, 19,663.29 and 7,961.22 is: 10,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.83 : 19,663.29 = 7,961.22 : x
  2. Step 2: Convert to fraction form
    14,248.83/19,663.29 = 7,961.22/x
  3. Step 3: Cross multiply
    14,248.83x = 19,663.29 × 7,961.22
  4. Step 4: Simplify right side
    14,248.83x = 156,543,777.61
  5. Step 5: Solve for x
    x = 156,543,777.61/14,248.83
  6. Step 6: Final answer
    x = 10,986.43

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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.