Home / 12,948.38-19,422.99-3,587.60

Finding the Fourth Proportional to 12,948.38, 19,422.99 and 3,587.60

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Solution

The fourth proportional to 12,948.38, 19,422.99 and 3,587.60 is: 5,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.38 : 19,422.99 = 3,587.60 : x
  2. Step 2: Convert to fraction form
    12,948.38/19,422.99 = 3,587.60/x
  3. Step 3: Cross multiply
    12,948.38x = 19,422.99 × 3,587.60
  4. Step 4: Simplify right side
    12,948.38x = 69,681,803.87
  5. Step 5: Solve for x
    x = 69,681,803.87/12,948.38
  6. Step 6: Final answer
    x = 5,381.51

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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.