Home / 15,635.36-23,436.84-9,778.52

Finding the Fourth Proportional to 15,635.36, 23,436.84 and 9,778.52

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Solution

The fourth proportional to 15,635.36, 23,436.84 and 9,778.52 is: 14,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.36 : 23,436.84 = 9,778.52 : x
  2. Step 2: Convert to fraction form
    15,635.36/23,436.84 = 9,778.52/x
  3. Step 3: Cross multiply
    15,635.36x = 23,436.84 × 9,778.52
  4. Step 4: Simplify right side
    15,635.36x = 229,177,608.68
  5. Step 5: Solve for x
    x = 229,177,608.68/15,635.36
  6. Step 6: Final answer
    x = 14,657.65

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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.