Home / 14,416.88-19,895.31-8,447.36

Finding the Fourth Proportional to 14,416.88, 19,895.31 and 8,447.36

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Solution

The fourth proportional to 14,416.88, 19,895.31 and 8,447.36 is: 11,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.88 : 19,895.31 = 8,447.36 : x
  2. Step 2: Convert to fraction form
    14,416.88/19,895.31 = 8,447.36/x
  3. Step 3: Cross multiply
    14,416.88x = 19,895.31 × 8,447.36
  4. Step 4: Simplify right side
    14,416.88x = 168,062,845.88
  5. Step 5: Solve for x
    x = 168,062,845.88/14,416.88
  6. Step 6: Final answer
    x = 11,657.37

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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.