Home / 14,257.74-21,236.26-13,618.10

Finding the Fourth Proportional to 14,257.74, 21,236.26 and 13,618.10

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Solution

The fourth proportional to 14,257.74, 21,236.26 and 13,618.10 is: 20,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.74 : 21,236.26 = 13,618.10 : x
  2. Step 2: Convert to fraction form
    14,257.74/21,236.26 = 13,618.10/x
  3. Step 3: Cross multiply
    14,257.74x = 21,236.26 × 13,618.10
  4. Step 4: Simplify right side
    14,257.74x = 289,197,512.31
  5. Step 5: Solve for x
    x = 289,197,512.31/14,257.74
  6. Step 6: Final answer
    x = 20,283.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.