Home / 9,138.12-13,705.08-2,562.48

Finding the Fourth Proportional to 9,138.12, 13,705.08 and 2,562.48

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Solution

The fourth proportional to 9,138.12, 13,705.08 and 2,562.48 is: 3,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.12 : 13,705.08 = 2,562.48 : x
  2. Step 2: Convert to fraction form
    9,138.12/13,705.08 = 2,562.48/x
  3. Step 3: Cross multiply
    9,138.12x = 13,705.08 × 2,562.48
  4. Step 4: Simplify right side
    9,138.12x = 35,118,993.40
  5. Step 5: Solve for x
    x = 35,118,993.40/9,138.12
  6. Step 6: Final answer
    x = 3,843.13

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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.