Home / 15,877.68-23,819.84-4,785.16

Finding the Fourth Proportional to 15,877.68, 23,819.84 and 4,785.16

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Solution

The fourth proportional to 15,877.68, 23,819.84 and 4,785.16 is: 7,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.68 : 23,819.84 = 4,785.16 : x
  2. Step 2: Convert to fraction form
    15,877.68/23,819.84 = 4,785.16/x
  3. Step 3: Cross multiply
    15,877.68x = 23,819.84 × 4,785.16
  4. Step 4: Simplify right side
    15,877.68x = 113,981,745.57
  5. Step 5: Solve for x
    x = 113,981,745.57/15,877.68
  6. Step 6: Final answer
    x = 7,178.74

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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.