Home / 11,386.41-17,084.48-6,448.65

Finding the Fourth Proportional to 11,386.41, 17,084.48 and 6,448.65

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Solution

The fourth proportional to 11,386.41, 17,084.48 and 6,448.65 is: 9,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.41 : 17,084.48 = 6,448.65 : x
  2. Step 2: Convert to fraction form
    11,386.41/17,084.48 = 6,448.65/x
  3. Step 3: Cross multiply
    11,386.41x = 17,084.48 × 6,448.65
  4. Step 4: Simplify right side
    11,386.41x = 110,171,799.71
  5. Step 5: Solve for x
    x = 110,171,799.71/11,386.41
  6. Step 6: Final answer
    x = 9,675.73

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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.