Home / 23,084.85-31,859.63-13,396.44

Finding the Fourth Proportional to 23,084.85, 31,859.63 and 13,396.44

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Solution

The fourth proportional to 23,084.85, 31,859.63 and 13,396.44 is: 18,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,084.85 : 31,859.63 = 13,396.44 : x
  2. Step 2: Convert to fraction form
    23,084.85/31,859.63 = 13,396.44/x
  3. Step 3: Cross multiply
    23,084.85x = 31,859.63 × 13,396.44
  4. Step 4: Simplify right side
    23,084.85x = 426,805,679.64
  5. Step 5: Solve for x
    x = 426,805,679.64/23,084.85
  6. Step 6: Final answer
    x = 18,488.56

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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.