Home / 9,165.26-13,749.22-3,320.50

Finding the Fourth Proportional to 9,165.26, 13,749.22 and 3,320.50

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Solution

The fourth proportional to 9,165.26, 13,749.22 and 3,320.50 is: 4,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.26 : 13,749.22 = 3,320.50 : x
  2. Step 2: Convert to fraction form
    9,165.26/13,749.22 = 3,320.50/x
  3. Step 3: Cross multiply
    9,165.26x = 13,749.22 × 3,320.50
  4. Step 4: Simplify right side
    9,165.26x = 45,654,285.01
  5. Step 5: Solve for x
    x = 45,654,285.01/9,165.26
  6. Step 6: Final answer
    x = 4,981.23

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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.