Home / 10,258.61-15,388.67-3,684.85

Finding the Fourth Proportional to 10,258.61, 15,388.67 and 3,684.85

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Solution

The fourth proportional to 10,258.61, 15,388.67 and 3,684.85 is: 5,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.61 : 15,388.67 = 3,684.85 : x
  2. Step 2: Convert to fraction form
    10,258.61/15,388.67 = 3,684.85/x
  3. Step 3: Cross multiply
    10,258.61x = 15,388.67 × 3,684.85
  4. Step 4: Simplify right side
    10,258.61x = 56,704,940.65
  5. Step 5: Solve for x
    x = 56,704,940.65/10,258.61
  6. Step 6: Final answer
    x = 5,527.55

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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.