Home / 11,612.30-17,406.53-4,589.47

Finding the Fourth Proportional to 11,612.30, 17,406.53 and 4,589.47

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Solution

The fourth proportional to 11,612.30, 17,406.53 and 4,589.47 is: 6,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.30 : 17,406.53 = 4,589.47 : x
  2. Step 2: Convert to fraction form
    11,612.30/17,406.53 = 4,589.47/x
  3. Step 3: Cross multiply
    11,612.30x = 17,406.53 × 4,589.47
  4. Step 4: Simplify right side
    11,612.30x = 79,886,747.24
  5. Step 5: Solve for x
    x = 79,886,747.24/11,612.30
  6. Step 6: Final answer
    x = 6,879.49

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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.