Home / 9,042.20-13,539.71-7,277.57

Finding the Fourth Proportional to 9,042.20, 13,539.71 and 7,277.57

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Solution

The fourth proportional to 9,042.20, 13,539.71 and 7,277.57 is: 10,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.20 : 13,539.71 = 7,277.57 : x
  2. Step 2: Convert to fraction form
    9,042.20/13,539.71 = 7,277.57/x
  3. Step 3: Cross multiply
    9,042.20x = 13,539.71 × 7,277.57
  4. Step 4: Simplify right side
    9,042.20x = 98,536,083.22
  5. Step 5: Solve for x
    x = 98,536,083.22/9,042.20
  6. Step 6: Final answer
    x = 10,897.36

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1.5x scale

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.