Home / 14,396.29-19,859.29-9,912.26

Finding the Fourth Proportional to 14,396.29, 19,859.29 and 9,912.26

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Solution

The fourth proportional to 14,396.29, 19,859.29 and 9,912.26 is: 13,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.29 : 19,859.29 = 9,912.26 : x
  2. Step 2: Convert to fraction form
    14,396.29/19,859.29 = 9,912.26/x
  3. Step 3: Cross multiply
    14,396.29x = 19,859.29 × 9,912.26
  4. Step 4: Simplify right side
    14,396.29x = 196,850,445.90
  5. Step 5: Solve for x
    x = 196,850,445.90/14,396.29
  6. Step 6: Final answer
    x = 13,673.69

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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.