Home / 13,632.80-20,446.32-4,868.24

Finding the Fourth Proportional to 13,632.80, 20,446.32 and 4,868.24

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Solution

The fourth proportional to 13,632.80, 20,446.32 and 4,868.24 is: 7,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.80 : 20,446.32 = 4,868.24 : x
  2. Step 2: Convert to fraction form
    13,632.80/20,446.32 = 4,868.24/x
  3. Step 3: Cross multiply
    13,632.80x = 20,446.32 × 4,868.24
  4. Step 4: Simplify right side
    13,632.80x = 99,537,592.88
  5. Step 5: Solve for x
    x = 99,537,592.88/13,632.80
  6. Step 6: Final answer
    x = 7,301.33

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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.