Home / 11,351.34-15,664.76-6,247.15

Finding the Fourth Proportional to 11,351.34, 15,664.76 and 6,247.15

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Solution

The fourth proportional to 11,351.34, 15,664.76 and 6,247.15 is: 8,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.34 : 15,664.76 = 6,247.15 : x
  2. Step 2: Convert to fraction form
    11,351.34/15,664.76 = 6,247.15/x
  3. Step 3: Cross multiply
    11,351.34x = 15,664.76 × 6,247.15
  4. Step 4: Simplify right side
    11,351.34x = 97,860,121.05
  5. Step 5: Solve for x
    x = 97,860,121.05/11,351.34
  6. Step 6: Final answer
    x = 8,621.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.