Home / 14,286.15-21,432.64-5,961.55

Finding the Fourth Proportional to 14,286.15, 21,432.64 and 5,961.55

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Solution

The fourth proportional to 14,286.15, 21,432.64 and 5,961.55 is: 8,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.15 : 21,432.64 = 5,961.55 : x
  2. Step 2: Convert to fraction form
    14,286.15/21,432.64 = 5,961.55/x
  3. Step 3: Cross multiply
    14,286.15x = 21,432.64 × 5,961.55
  4. Step 4: Simplify right side
    14,286.15x = 127,771,647.83
  5. Step 5: Solve for x
    x = 127,771,647.83/14,286.15
  6. Step 6: Final answer
    x = 8,943.75

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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.