Home / 13,948.92-20,912.45-6,549.57

Finding the Fourth Proportional to 13,948.92, 20,912.45 and 6,549.57

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Solution

The fourth proportional to 13,948.92, 20,912.45 and 6,549.57 is: 9,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.92 : 20,912.45 = 6,549.57 : x
  2. Step 2: Convert to fraction form
    13,948.92/20,912.45 = 6,549.57/x
  3. Step 3: Cross multiply
    13,948.92x = 20,912.45 × 6,549.57
  4. Step 4: Simplify right side
    13,948.92x = 136,967,522.40
  5. Step 5: Solve for x
    x = 136,967,522.40/13,948.92
  6. Step 6: Final answer
    x = 9,819.22

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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.