Home / 14,412.24-21,641.79-8,900.64

Finding the Fourth Proportional to 14,412.24, 21,641.79 and 8,900.64

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Solution

The fourth proportional to 14,412.24, 21,641.79 and 8,900.64 is: 13,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.24 : 21,641.79 = 8,900.64 : x
  2. Step 2: Convert to fraction form
    14,412.24/21,641.79 = 8,900.64/x
  3. Step 3: Cross multiply
    14,412.24x = 21,641.79 × 8,900.64
  4. Step 4: Simplify right side
    14,412.24x = 192,625,781.75
  5. Step 5: Solve for x
    x = 192,625,781.75/14,412.24
  6. Step 6: Final answer
    x = 13,365.43

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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.