Home / 12,660.18-17,468.38-7,352.26

Finding the Fourth Proportional to 12,660.18, 17,468.38 and 7,352.26

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Solution

The fourth proportional to 12,660.18, 17,468.38 and 7,352.26 is: 10,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.18 : 17,468.38 = 7,352.26 : x
  2. Step 2: Convert to fraction form
    12,660.18/17,468.38 = 7,352.26/x
  3. Step 3: Cross multiply
    12,660.18x = 17,468.38 × 7,352.26
  4. Step 4: Simplify right side
    12,660.18x = 128,432,071.54
  5. Step 5: Solve for x
    x = 128,432,071.54/12,660.18
  6. Step 6: Final answer
    x = 10,144.57

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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.