Home / 14,316.40-19,755.96-7,942.92

Finding the Fourth Proportional to 14,316.40, 19,755.96 and 7,942.92

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Solution

The fourth proportional to 14,316.40, 19,755.96 and 7,942.92 is: 10,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.40 : 19,755.96 = 7,942.92 : x
  2. Step 2: Convert to fraction form
    14,316.40/19,755.96 = 7,942.92/x
  3. Step 3: Cross multiply
    14,316.40x = 19,755.96 × 7,942.92
  4. Step 4: Simplify right side
    14,316.40x = 156,919,989.95
  5. Step 5: Solve for x
    x = 156,919,989.95/14,316.40
  6. Step 6: Final answer
    x = 10,960.86

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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.