Home / 14,088.40-21,136.71-4,229.14

Finding the Fourth Proportional to 14,088.40, 21,136.71 and 4,229.14

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Solution

The fourth proportional to 14,088.40, 21,136.71 and 4,229.14 is: 6,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.40 : 21,136.71 = 4,229.14 : x
  2. Step 2: Convert to fraction form
    14,088.40/21,136.71 = 4,229.14/x
  3. Step 3: Cross multiply
    14,088.40x = 21,136.71 × 4,229.14
  4. Step 4: Simplify right side
    14,088.40x = 89,390,105.73
  5. Step 5: Solve for x
    x = 89,390,105.73/14,088.40
  6. Step 6: Final answer
    x = 6,344.94

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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.