Home / 14,257.83-21,382.97-4,260.21

Finding the Fourth Proportional to 14,257.83, 21,382.97 and 4,260.21

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Solution

The fourth proportional to 14,257.83, 21,382.97 and 4,260.21 is: 6,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.83 : 21,382.97 = 4,260.21 : x
  2. Step 2: Convert to fraction form
    14,257.83/21,382.97 = 4,260.21/x
  3. Step 3: Cross multiply
    14,257.83x = 21,382.97 × 4,260.21
  4. Step 4: Simplify right side
    14,257.83x = 91,095,921.32
  5. Step 5: Solve for x
    x = 91,095,921.32/14,257.83
  6. Step 6: Final answer
    x = 6,389.19

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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.