Home / 9,940.72-13,712.52-6,162.16

Finding the Fourth Proportional to 9,940.72, 13,712.52 and 6,162.16

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Solution

The fourth proportional to 9,940.72, 13,712.52 and 6,162.16 is: 8,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.72 : 13,712.52 = 6,162.16 : x
  2. Step 2: Convert to fraction form
    9,940.72/13,712.52 = 6,162.16/x
  3. Step 3: Cross multiply
    9,940.72x = 13,712.52 × 6,162.16
  4. Step 4: Simplify right side
    9,940.72x = 84,498,742.24
  5. Step 5: Solve for x
    x = 84,498,742.24/9,940.72
  6. Step 6: Final answer
    x = 8,500.26

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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.