Home / 14,355.88-21,405.53-14,327.80

Finding the Fourth Proportional to 14,355.88, 21,405.53 and 14,327.80

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Solution

The fourth proportional to 14,355.88, 21,405.53 and 14,327.80 is: 21,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.88 : 21,405.53 = 14,327.80 : x
  2. Step 2: Convert to fraction form
    14,355.88/21,405.53 = 14,327.80/x
  3. Step 3: Cross multiply
    14,355.88x = 21,405.53 × 14,327.80
  4. Step 4: Simplify right side
    14,355.88x = 306,694,152.73
  5. Step 5: Solve for x
    x = 306,694,152.73/14,355.88
  6. Step 6: Final answer
    x = 21,363.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.