Home / 9,435.65-13,020.39-5,456.99

Finding the Fourth Proportional to 9,435.65, 13,020.39 and 5,456.99

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Solution

The fourth proportional to 9,435.65, 13,020.39 and 5,456.99 is: 7,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.65 : 13,020.39 = 5,456.99 : x
  2. Step 2: Convert to fraction form
    9,435.65/13,020.39 = 5,456.99/x
  3. Step 3: Cross multiply
    9,435.65x = 13,020.39 × 5,456.99
  4. Step 4: Simplify right side
    9,435.65x = 71,052,072.92
  5. Step 5: Solve for x
    x = 71,052,072.92/9,435.65
  6. Step 6: Final answer
    x = 7,530.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.