Home / 19,447.79-29,177.80-6,959.30

Finding the Fourth Proportional to 19,447.79, 29,177.80 and 6,959.30

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Solution

The fourth proportional to 19,447.79, 29,177.80 and 6,959.30 is: 10,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.79 : 29,177.80 = 6,959.30 : x
  2. Step 2: Convert to fraction form
    19,447.79/29,177.80 = 6,959.30/x
  3. Step 3: Cross multiply
    19,447.79x = 29,177.80 × 6,959.30
  4. Step 4: Simplify right side
    19,447.79x = 203,056,900.25
  5. Step 5: Solve for x
    x = 203,056,900.25/19,447.79
  6. Step 6: Final answer
    x = 10,441.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.