Home / 12,610.08-18,915.76-4,291.04

Finding the Fourth Proportional to 12,610.08, 18,915.76 and 4,291.04

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Solution

The fourth proportional to 12,610.08, 18,915.76 and 4,291.04 is: 6,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.08 : 18,915.76 = 4,291.04 : x
  2. Step 2: Convert to fraction form
    12,610.08/18,915.76 = 4,291.04/x
  3. Step 3: Cross multiply
    12,610.08x = 18,915.76 × 4,291.04
  4. Step 4: Simplify right side
    12,610.08x = 81,168,282.79
  5. Step 5: Solve for x
    x = 81,168,282.79/12,610.08
  6. Step 6: Final answer
    x = 6,436.78

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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.