Home / 12,340.44-18,510.12-3,575.16

Finding the Fourth Proportional to 12,340.44, 18,510.12 and 3,575.16

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Solution

The fourth proportional to 12,340.44, 18,510.12 and 3,575.16 is: 5,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.44 : 18,510.12 = 3,575.16 : x
  2. Step 2: Convert to fraction form
    12,340.44/18,510.12 = 3,575.16/x
  3. Step 3: Cross multiply
    12,340.44x = 18,510.12 × 3,575.16
  4. Step 4: Simplify right side
    12,340.44x = 66,176,640.62
  5. Step 5: Solve for x
    x = 66,176,640.62/12,340.44
  6. Step 6: Final answer
    x = 5,362.58

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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.