Home / 13,632.24-20,446.32-4,270.08

Finding the Fourth Proportional to 13,632.24, 20,446.32 and 4,270.08

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Solution

The fourth proportional to 13,632.24, 20,446.32 and 4,270.08 is: 6,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.24 : 20,446.32 = 4,270.08 : x
  2. Step 2: Convert to fraction form
    13,632.24/20,446.32 = 4,270.08/x
  3. Step 3: Cross multiply
    13,632.24x = 20,446.32 × 4,270.08
  4. Step 4: Simplify right side
    13,632.24x = 87,307,422.11
  5. Step 5: Solve for x
    x = 87,307,422.11/13,632.24
  6. Step 6: Final answer
    x = 6,404.48

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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.