Home / 13,572.14-20,357.23-4,211.92

Finding the Fourth Proportional to 13,572.14, 20,357.23 and 4,211.92

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Solution

The fourth proportional to 13,572.14, 20,357.23 and 4,211.92 is: 6,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.14 : 20,357.23 = 4,211.92 : x
  2. Step 2: Convert to fraction form
    13,572.14/20,357.23 = 4,211.92/x
  3. Step 3: Cross multiply
    13,572.14x = 20,357.23 × 4,211.92
  4. Step 4: Simplify right side
    13,572.14x = 85,743,024.18
  5. Step 5: Solve for x
    x = 85,743,024.18/13,572.14
  6. Step 6: Final answer
    x = 6,317.58

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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.