Home / 14,260.93-21,391.38-3,872.68

Finding the Fourth Proportional to 14,260.93, 21,391.38 and 3,872.68

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Solution

The fourth proportional to 14,260.93, 21,391.38 and 3,872.68 is: 5,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.93 : 21,391.38 = 3,872.68 : x
  2. Step 2: Convert to fraction form
    14,260.93/21,391.38 = 3,872.68/x
  3. Step 3: Cross multiply
    14,260.93x = 21,391.38 × 3,872.68
  4. Step 4: Simplify right side
    14,260.93x = 82,841,916.02
  5. Step 5: Solve for x
    x = 82,841,916.02/14,260.93
  6. Step 6: Final answer
    x = 5,809.01

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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.