Home / 13,782.92-20,675.02-4,423.32

Finding the Fourth Proportional to 13,782.92, 20,675.02 and 4,423.32

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Solution

The fourth proportional to 13,782.92, 20,675.02 and 4,423.32 is: 6,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782.92 : 20,675.02 = 4,423.32 : x
  2. Step 2: Convert to fraction form
    13,782.92/20,675.02 = 4,423.32/x
  3. Step 3: Cross multiply
    13,782.92x = 20,675.02 × 4,423.32
  4. Step 4: Simplify right side
    13,782.92x = 91,452,229.47
  5. Step 5: Solve for x
    x = 91,452,229.47/13,782.92
  6. Step 6: Final answer
    x = 6,635.19

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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.