Home / 13,525.52-20,288.27-8,874.95

Finding the Fourth Proportional to 13,525.52, 20,288.27 and 8,874.95

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Solution

The fourth proportional to 13,525.52, 20,288.27 and 8,874.95 is: 13,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.52 : 20,288.27 = 8,874.95 : x
  2. Step 2: Convert to fraction form
    13,525.52/20,288.27 = 8,874.95/x
  3. Step 3: Cross multiply
    13,525.52x = 20,288.27 × 8,874.95
  4. Step 4: Simplify right side
    13,525.52x = 180,057,416.70
  5. Step 5: Solve for x
    x = 180,057,416.70/13,525.52
  6. Step 6: Final answer
    x = 13,312.43

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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.