Home / 14,241.61-21,355.07-8,330.03

Finding the Fourth Proportional to 14,241.61, 21,355.07 and 8,330.03

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Solution

The fourth proportional to 14,241.61, 21,355.07 and 8,330.03 is: 12,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.61 : 21,355.07 = 8,330.03 : x
  2. Step 2: Convert to fraction form
    14,241.61/21,355.07 = 8,330.03/x
  3. Step 3: Cross multiply
    14,241.61x = 21,355.07 × 8,330.03
  4. Step 4: Simplify right side
    14,241.61x = 177,888,373.75
  5. Step 5: Solve for x
    x = 177,888,373.75/14,241.61
  6. Step 6: Final answer
    x = 12,490.75

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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.