Home / 14,238.27-21,359.45-4,378.38

Finding the Fourth Proportional to 14,238.27, 21,359.45 and 4,378.38

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Solution

The fourth proportional to 14,238.27, 21,359.45 and 4,378.38 is: 6,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.27 : 21,359.45 = 4,378.38 : x
  2. Step 2: Convert to fraction form
    14,238.27/21,359.45 = 4,378.38/x
  3. Step 3: Cross multiply
    14,238.27x = 21,359.45 × 4,378.38
  4. Step 4: Simplify right side
    14,238.27x = 93,519,788.69
  5. Step 5: Solve for x
    x = 93,519,788.69/14,238.27
  6. Step 6: Final answer
    x = 6,568.20

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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.