Home / 11,247.30-16,860.93-5,697.79

Finding the Fourth Proportional to 11,247.30, 16,860.93 and 5,697.79

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Solution

The fourth proportional to 11,247.30, 16,860.93 and 5,697.79 is: 8,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.30 : 16,860.93 = 5,697.79 : x
  2. Step 2: Convert to fraction form
    11,247.30/16,860.93 = 5,697.79/x
  3. Step 3: Cross multiply
    11,247.30x = 16,860.93 × 5,697.79
  4. Step 4: Simplify right side
    11,247.30x = 96,069,996.19
  5. Step 5: Solve for x
    x = 96,069,996.19/11,247.30
  6. Step 6: Final answer
    x = 8,541.61

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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.