Home / 14,253.55-21,382.62-4,392.82

Finding the Fourth Proportional to 14,253.55, 21,382.62 and 4,392.82

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Solution

The fourth proportional to 14,253.55, 21,382.62 and 4,392.82 is: 6,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.55 : 21,382.62 = 4,392.82 : x
  2. Step 2: Convert to fraction form
    14,253.55/21,382.62 = 4,392.82/x
  3. Step 3: Cross multiply
    14,253.55x = 21,382.62 × 4,392.82
  4. Step 4: Simplify right side
    14,253.55x = 93,930,000.79
  5. Step 5: Solve for x
    x = 93,930,000.79/14,253.55
  6. Step 6: Final answer
    x = 6,589.94

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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.