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Finding the Fourth Proportional to 9,165.59, 13,748.36 and 2,240.09

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Solution

The fourth proportional to 9,165.59, 13,748.36 and 2,240.09 is: 3,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.59 : 13,748.36 = 2,240.09 : x
  2. Step 2: Convert to fraction form
    9,165.59/13,748.36 = 2,240.09/x
  3. Step 3: Cross multiply
    9,165.59x = 13,748.36 × 2,240.09
  4. Step 4: Simplify right side
    9,165.59x = 30,797,483.81
  5. Step 5: Solve for x
    x = 30,797,483.81/9,165.59
  6. Step 6: Final answer
    x = 3,360.12

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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.