Home / 11,098.20-15,309.75-7,513.29

Finding the Fourth Proportional to 11,098.20, 15,309.75 and 7,513.29

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Solution

The fourth proportional to 11,098.20, 15,309.75 and 7,513.29 is: 10,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.20 : 15,309.75 = 7,513.29 : x
  2. Step 2: Convert to fraction form
    11,098.20/15,309.75 = 7,513.29/x
  3. Step 3: Cross multiply
    11,098.20x = 15,309.75 × 7,513.29
  4. Step 4: Simplify right side
    11,098.20x = 115,026,591.58
  5. Step 5: Solve for x
    x = 115,026,591.58/11,098.20
  6. Step 6: Final answer
    x = 10,364.44

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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.