Home / 11,422.13-17,135.71-4,853.93

Finding the Fourth Proportional to 11,422.13, 17,135.71 and 4,853.93

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Solution

The fourth proportional to 11,422.13, 17,135.71 and 4,853.93 is: 7,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.13 : 17,135.71 = 4,853.93 : x
  2. Step 2: Convert to fraction form
    11,422.13/17,135.71 = 4,853.93/x
  3. Step 3: Cross multiply
    11,422.13x = 17,135.71 × 4,853.93
  4. Step 4: Simplify right side
    11,422.13x = 83,175,439.03
  5. Step 5: Solve for x
    x = 83,175,439.03/11,422.13
  6. Step 6: Final answer
    x = 7,281.96

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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.