Home / 12,943.18-19,402.47-8,250.02

Finding the Fourth Proportional to 12,943.18, 19,402.47 and 8,250.02

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Solution

The fourth proportional to 12,943.18, 19,402.47 and 8,250.02 is: 12,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.18 : 19,402.47 = 8,250.02 : x
  2. Step 2: Convert to fraction form
    12,943.18/19,402.47 = 8,250.02/x
  3. Step 3: Cross multiply
    12,943.18x = 19,402.47 × 8,250.02
  4. Step 4: Simplify right side
    12,943.18x = 160,070,764.50
  5. Step 5: Solve for x
    x = 160,070,764.50/12,943.18
  6. Step 6: Final answer
    x = 12,367.19

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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.