Home / 14,160.18-21,241.08-4,299.78

Finding the Fourth Proportional to 14,160.18, 21,241.08 and 4,299.78

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Solution

The fourth proportional to 14,160.18, 21,241.08 and 4,299.78 is: 6,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.18 : 21,241.08 = 4,299.78 : x
  2. Step 2: Convert to fraction form
    14,160.18/21,241.08 = 4,299.78/x
  3. Step 3: Cross multiply
    14,160.18x = 21,241.08 × 4,299.78
  4. Step 4: Simplify right side
    14,160.18x = 91,331,970.96
  5. Step 5: Solve for x
    x = 91,331,970.96/14,160.18
  6. Step 6: Final answer
    x = 6,449.92

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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.