Home / 14,250.68-21,376.18-4,389.88

Finding the Fourth Proportional to 14,250.68, 21,376.18 and 4,389.88

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Solution

The fourth proportional to 14,250.68, 21,376.18 and 4,389.88 is: 6,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.68 : 21,376.18 = 4,389.88 : x
  2. Step 2: Convert to fraction form
    14,250.68/21,376.18 = 4,389.88/x
  3. Step 3: Cross multiply
    14,250.68x = 21,376.18 × 4,389.88
  4. Step 4: Simplify right side
    14,250.68x = 93,838,865.06
  5. Step 5: Solve for x
    x = 93,838,865.06/14,250.68
  6. Step 6: Final answer
    x = 6,584.87

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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.