Home / 13,187.46-19,767.52-8,245.76

Finding the Fourth Proportional to 13,187.46, 19,767.52 and 8,245.76

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Solution

The fourth proportional to 13,187.46, 19,767.52 and 8,245.76 is: 12,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187.46 : 19,767.52 = 8,245.76 : x
  2. Step 2: Convert to fraction form
    13,187.46/19,767.52 = 8,245.76/x
  3. Step 3: Cross multiply
    13,187.46x = 19,767.52 × 8,245.76
  4. Step 4: Simplify right side
    13,187.46x = 162,998,106.26
  5. Step 5: Solve for x
    x = 162,998,106.26/13,187.46
  6. Step 6: Final answer
    x = 12,360.08

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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.