Home / 13,177.66-19,766.80-4,743.74

Finding the Fourth Proportional to 13,177.66, 19,766.80 and 4,743.74

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Solution

The fourth proportional to 13,177.66, 19,766.80 and 4,743.74 is: 7,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.66 : 19,766.80 = 4,743.74 : x
  2. Step 2: Convert to fraction form
    13,177.66/19,766.80 = 4,743.74/x
  3. Step 3: Cross multiply
    13,177.66x = 19,766.80 × 4,743.74
  4. Step 4: Simplify right side
    13,177.66x = 93,768,559.83
  5. Step 5: Solve for x
    x = 93,768,559.83/13,177.66
  6. Step 6: Final answer
    x = 7,115.72

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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.