Home / 15,178.30-22,767.45-8,155.60

Finding the Fourth Proportional to 15,178.30, 22,767.45 and 8,155.60

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Solution

The fourth proportional to 15,178.30, 22,767.45 and 8,155.60 is: 12,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.30 : 22,767.45 = 8,155.60 : x
  2. Step 2: Convert to fraction form
    15,178.30/22,767.45 = 8,155.60/x
  3. Step 3: Cross multiply
    15,178.30x = 22,767.45 × 8,155.60
  4. Step 4: Simplify right side
    15,178.30x = 185,682,215.22
  5. Step 5: Solve for x
    x = 185,682,215.22/15,178.30
  6. Step 6: Final answer
    x = 12,233.40

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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.