Home / 13,627.92-20,437.52-4,391.76

Finding the Fourth Proportional to 13,627.92, 20,437.52 and 4,391.76

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Solution

The fourth proportional to 13,627.92, 20,437.52 and 4,391.76 is: 6,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.92 : 20,437.52 = 4,391.76 : x
  2. Step 2: Convert to fraction form
    13,627.92/20,437.52 = 4,391.76/x
  3. Step 3: Cross multiply
    13,627.92x = 20,437.52 × 4,391.76
  4. Step 4: Simplify right side
    13,627.92x = 89,756,682.84
  5. Step 5: Solve for x
    x = 89,756,682.84/13,627.92
  6. Step 6: Final answer
    x = 6,586.23

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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.