Home / 12,635.38-18,952.98-3,275.38

Finding the Fourth Proportional to 12,635.38, 18,952.98 and 3,275.38

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Solution

The fourth proportional to 12,635.38, 18,952.98 and 3,275.38 is: 4,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.38 : 18,952.98 = 3,275.38 : x
  2. Step 2: Convert to fraction form
    12,635.38/18,952.98 = 3,275.38/x
  3. Step 3: Cross multiply
    12,635.38x = 18,952.98 × 3,275.38
  4. Step 4: Simplify right side
    12,635.38x = 62,078,211.63
  5. Step 5: Solve for x
    x = 62,078,211.63/12,635.38
  6. Step 6: Final answer
    x = 4,913.05

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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.