Home / 13,501.28-20,252.10-5,704.40

Finding the Fourth Proportional to 13,501.28, 20,252.10 and 5,704.40

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Solution

The fourth proportional to 13,501.28, 20,252.10 and 5,704.40 is: 8,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.28 : 20,252.10 = 5,704.40 : x
  2. Step 2: Convert to fraction form
    13,501.28/20,252.10 = 5,704.40/x
  3. Step 3: Cross multiply
    13,501.28x = 20,252.10 × 5,704.40
  4. Step 4: Simplify right side
    13,501.28x = 115,526,079.24
  5. Step 5: Solve for x
    x = 115,526,079.24/13,501.28
  6. Step 6: Final answer
    x = 8,556.68

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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.