Home / 13,948.17-20,921.98-4,087.23

Finding the Fourth Proportional to 13,948.17, 20,921.98 and 4,087.23

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Solution

The fourth proportional to 13,948.17, 20,921.98 and 4,087.23 is: 6,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.17 : 20,921.98 = 4,087.23 : x
  2. Step 2: Convert to fraction form
    13,948.17/20,921.98 = 4,087.23/x
  3. Step 3: Cross multiply
    13,948.17x = 20,921.98 × 4,087.23
  4. Step 4: Simplify right side
    13,948.17x = 85,512,863.30
  5. Step 5: Solve for x
    x = 85,512,863.30/13,948.17
  6. Step 6: Final answer
    x = 6,130.76

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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.