Home / 13,550.92-20,328.02-4,784.04

Finding the Fourth Proportional to 13,550.92, 20,328.02 and 4,784.04

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Solution

The fourth proportional to 13,550.92, 20,328.02 and 4,784.04 is: 7,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.92 : 20,328.02 = 4,784.04 : x
  2. Step 2: Convert to fraction form
    13,550.92/20,328.02 = 4,784.04/x
  3. Step 3: Cross multiply
    13,550.92x = 20,328.02 × 4,784.04
  4. Step 4: Simplify right side
    13,550.92x = 97,250,060.80
  5. Step 5: Solve for x
    x = 97,250,060.80/13,550.92
  6. Step 6: Final answer
    x = 7,176.64

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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.