Home / 13,177.48-19,766.22-5,780.20

Finding the Fourth Proportional to 13,177.48, 19,766.22 and 5,780.20

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Solution

The fourth proportional to 13,177.48, 19,766.22 and 5,780.20 is: 8,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.48 : 19,766.22 = 5,780.20 : x
  2. Step 2: Convert to fraction form
    13,177.48/19,766.22 = 5,780.20/x
  3. Step 3: Cross multiply
    13,177.48x = 19,766.22 × 5,780.20
  4. Step 4: Simplify right side
    13,177.48x = 114,252,704.84
  5. Step 5: Solve for x
    x = 114,252,704.84/13,177.48
  6. Step 6: Final answer
    x = 8,670.30

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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.