Home / 15,789.95-23,666.46-8,766.60

Finding the Fourth Proportional to 15,789.95, 23,666.46 and 8,766.60

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Solution

The fourth proportional to 15,789.95, 23,666.46 and 8,766.60 is: 13,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.95 : 23,666.46 = 8,766.60 : x
  2. Step 2: Convert to fraction form
    15,789.95/23,666.46 = 8,766.60/x
  3. Step 3: Cross multiply
    15,789.95x = 23,666.46 × 8,766.60
  4. Step 4: Simplify right side
    15,789.95x = 207,474,315.92
  5. Step 5: Solve for x
    x = 207,474,315.92/15,789.95
  6. Step 6: Final answer
    x = 13,139.64

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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.