Home / 9,435.15-14,155.68-3,891.11

Finding the Fourth Proportional to 9,435.15, 14,155.68 and 3,891.11

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Solution

The fourth proportional to 9,435.15, 14,155.68 and 3,891.11 is: 5,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.15 : 14,155.68 = 3,891.11 : x
  2. Step 2: Convert to fraction form
    9,435.15/14,155.68 = 3,891.11/x
  3. Step 3: Cross multiply
    9,435.15x = 14,155.68 × 3,891.11
  4. Step 4: Simplify right side
    9,435.15x = 55,081,237.23
  5. Step 5: Solve for x
    x = 55,081,237.23/9,435.15
  6. Step 6: Final answer
    x = 5,837.88

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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.