Home / 13,246.24-19,874.40-8,310.40

Finding the Fourth Proportional to 13,246.24, 19,874.40 and 8,310.40

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Solution

The fourth proportional to 13,246.24, 19,874.40 and 8,310.40 is: 12,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.24 : 19,874.40 = 8,310.40 : x
  2. Step 2: Convert to fraction form
    13,246.24/19,874.40 = 8,310.40/x
  3. Step 3: Cross multiply
    13,246.24x = 19,874.40 × 8,310.40
  4. Step 4: Simplify right side
    13,246.24x = 165,164,213.76
  5. Step 5: Solve for x
    x = 165,164,213.76/13,246.24
  6. Step 6: Final answer
    x = 12,468.76

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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.