Home / 15,257.54-22,775.80-13,190.82

Finding the Fourth Proportional to 15,257.54, 22,775.80 and 13,190.82

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Solution

The fourth proportional to 15,257.54, 22,775.80 and 13,190.82 is: 19,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.54 : 22,775.80 = 13,190.82 : x
  2. Step 2: Convert to fraction form
    15,257.54/22,775.80 = 13,190.82/x
  3. Step 3: Cross multiply
    15,257.54x = 22,775.80 × 13,190.82
  4. Step 4: Simplify right side
    15,257.54x = 300,431,478.16
  5. Step 5: Solve for x
    x = 300,431,478.16/15,257.54
  6. Step 6: Final answer
    x = 19,690.69

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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.