Home / 15,811.60-23,719.84-5,951.58

Finding the Fourth Proportional to 15,811.60, 23,719.84 and 5,951.58

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Solution

The fourth proportional to 15,811.60, 23,719.84 and 5,951.58 is: 8,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.60 : 23,719.84 = 5,951.58 : x
  2. Step 2: Convert to fraction form
    15,811.60/23,719.84 = 5,951.58/x
  3. Step 3: Cross multiply
    15,811.60x = 23,719.84 × 5,951.58
  4. Step 4: Simplify right side
    15,811.60x = 141,170,525.35
  5. Step 5: Solve for x
    x = 141,170,525.35/15,811.60
  6. Step 6: Final answer
    x = 8,928.29

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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.