Home / 14,274.91-21,400.06-5,515.97

Finding the Fourth Proportional to 14,274.91, 21,400.06 and 5,515.97

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Solution

The fourth proportional to 14,274.91, 21,400.06 and 5,515.97 is: 8,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.91 : 21,400.06 = 5,515.97 : x
  2. Step 2: Convert to fraction form
    14,274.91/21,400.06 = 5,515.97/x
  3. Step 3: Cross multiply
    14,274.91x = 21,400.06 × 5,515.97
  4. Step 4: Simplify right side
    14,274.91x = 118,042,088.96
  5. Step 5: Solve for x
    x = 118,042,088.96/14,274.91
  6. Step 6: Final answer
    x = 8,269.20

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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.