Home / 13,922.20-20,886.72-4,061.58

Finding the Fourth Proportional to 13,922.20, 20,886.72 and 4,061.58

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Solution

The fourth proportional to 13,922.20, 20,886.72 and 4,061.58 is: 6,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.20 : 20,886.72 = 4,061.58 : x
  2. Step 2: Convert to fraction form
    13,922.20/20,886.72 = 4,061.58/x
  3. Step 3: Cross multiply
    13,922.20x = 20,886.72 × 4,061.58
  4. Step 4: Simplify right side
    13,922.20x = 84,833,084.22
  5. Step 5: Solve for x
    x = 84,833,084.22/13,922.20
  6. Step 6: Final answer
    x = 6,093.37

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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.