Home / 13,915.82-20,873.23-4,055.29

Finding the Fourth Proportional to 13,915.82, 20,873.23 and 4,055.29

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Solution

The fourth proportional to 13,915.82, 20,873.23 and 4,055.29 is: 6,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.82 : 20,873.23 = 4,055.29 : x
  2. Step 2: Convert to fraction form
    13,915.82/20,873.23 = 4,055.29/x
  3. Step 3: Cross multiply
    13,915.82x = 20,873.23 × 4,055.29
  4. Step 4: Simplify right side
    13,915.82x = 84,646,938.57
  5. Step 5: Solve for x
    x = 84,646,938.57/13,915.82
  6. Step 6: Final answer
    x = 6,082.78

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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.