Home / 13,494.78-20,252.55-8,813.52

Finding the Fourth Proportional to 13,494.78, 20,252.55 and 8,813.52

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Solution

The fourth proportional to 13,494.78, 20,252.55 and 8,813.52 is: 13,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.78 : 20,252.55 = 8,813.52 : x
  2. Step 2: Convert to fraction form
    13,494.78/20,252.55 = 8,813.52/x
  3. Step 3: Cross multiply
    13,494.78x = 20,252.55 × 8,813.52
  4. Step 4: Simplify right side
    13,494.78x = 178,496,254.48
  5. Step 5: Solve for x
    x = 178,496,254.48/13,494.78
  6. Step 6: Final answer
    x = 13,227.06

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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.