Home / 13,525.92-20,288.19-4,760.90

Finding the Fourth Proportional to 13,525.92, 20,288.19 and 4,760.90

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Solution

The fourth proportional to 13,525.92, 20,288.19 and 4,760.90 is: 7,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.92 : 20,288.19 = 4,760.90 : x
  2. Step 2: Convert to fraction form
    13,525.92/20,288.19 = 4,760.90/x
  3. Step 3: Cross multiply
    13,525.92x = 20,288.19 × 4,760.90
  4. Step 4: Simplify right side
    13,525.92x = 96,590,043.77
  5. Step 5: Solve for x
    x = 96,590,043.77/13,525.92
  6. Step 6: Final answer
    x = 7,141.11

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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.