Home / 12,340.08-18,510-3,575.04

Finding the Fourth Proportional to 12,340.08, 18,510 and 3,575.04

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Solution

The fourth proportional to 12,340.08, 18,510 and 3,575.04 is: 5,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.08 : 18,510 = 3,575.04 : x
  2. Step 2: Convert to fraction form
    12,340.08/18,510 = 3,575.04/x
  3. Step 3: Cross multiply
    12,340.08x = 18,510 × 3,575.04
  4. Step 4: Simplify right side
    12,340.08x = 66,173,990.40
  5. Step 5: Solve for x
    x = 66,173,990.40/12,340.08
  6. Step 6: Final answer
    x = 5,362.53

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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.