Home / 13,454.02-20,177.76-4,220.02

Finding the Fourth Proportional to 13,454.02, 20,177.76 and 4,220.02

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Solution

The fourth proportional to 13,454.02, 20,177.76 and 4,220.02 is: 6,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.02 : 20,177.76 = 4,220.02 : x
  2. Step 2: Convert to fraction form
    13,454.02/20,177.76 = 4,220.02/x
  3. Step 3: Cross multiply
    13,454.02x = 20,177.76 × 4,220.02
  4. Step 4: Simplify right side
    13,454.02x = 85,150,550.76
  5. Step 5: Solve for x
    x = 85,150,550.76/13,454.02
  6. Step 6: Final answer
    x = 6,329.00

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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.