Home / 15,498.40-23,247.42-3,811.72

Finding the Fourth Proportional to 15,498.40, 23,247.42 and 3,811.72

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Solution

The fourth proportional to 15,498.40, 23,247.42 and 3,811.72 is: 5,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,498.40 : 23,247.42 = 3,811.72 : x
  2. Step 2: Convert to fraction form
    15,498.40/23,247.42 = 3,811.72/x
  3. Step 3: Cross multiply
    15,498.40x = 23,247.42 × 3,811.72
  4. Step 4: Simplify right side
    15,498.40x = 88,612,655.76
  5. Step 5: Solve for x
    x = 88,612,655.76/15,498.40
  6. Step 6: Final answer
    x = 5,717.54

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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.