Home / 15,073.05-20,797.23-8,785.83

Finding the Fourth Proportional to 15,073.05, 20,797.23 and 8,785.83

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Solution

The fourth proportional to 15,073.05, 20,797.23 and 8,785.83 is: 12,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,073.05 : 20,797.23 = 8,785.83 : x
  2. Step 2: Convert to fraction form
    15,073.05/20,797.23 = 8,785.83/x
  3. Step 3: Cross multiply
    15,073.05x = 20,797.23 × 8,785.83
  4. Step 4: Simplify right side
    15,073.05x = 182,720,927.25
  5. Step 5: Solve for x
    x = 182,720,927.25/15,073.05
  6. Step 6: Final answer
    x = 12,122.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.