Home / 10,055.61-15,085.44-3,481.65

Finding the Fourth Proportional to 10,055.61, 15,085.44 and 3,481.65

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Solution

The fourth proportional to 10,055.61, 15,085.44 and 3,481.65 is: 5,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.61 : 15,085.44 = 3,481.65 : x
  2. Step 2: Convert to fraction form
    10,055.61/15,085.44 = 3,481.65/x
  3. Step 3: Cross multiply
    10,055.61x = 15,085.44 × 3,481.65
  4. Step 4: Simplify right side
    10,055.61x = 52,522,222.18
  5. Step 5: Solve for x
    x = 52,522,222.18/10,055.61
  6. Step 6: Final answer
    x = 5,223.18

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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.