Home / 9,240.17-13,860.23-3,396.78

Finding the Fourth Proportional to 9,240.17, 13,860.23 and 3,396.78

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Solution

The fourth proportional to 9,240.17, 13,860.23 and 3,396.78 is: 5,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.17 : 13,860.23 = 3,396.78 : x
  2. Step 2: Convert to fraction form
    9,240.17/13,860.23 = 3,396.78/x
  3. Step 3: Cross multiply
    9,240.17x = 13,860.23 × 3,396.78
  4. Step 4: Simplify right side
    9,240.17x = 47,080,135.08
  5. Step 5: Solve for x
    x = 47,080,135.08/9,240.17
  6. Step 6: Final answer
    x = 5,095.16

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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.