Home / 11,768.16-16,239.60-6,462.72

Finding the Fourth Proportional to 11,768.16, 16,239.60 and 6,462.72

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Solution

The fourth proportional to 11,768.16, 16,239.60 and 6,462.72 is: 8,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.16 : 16,239.60 = 6,462.72 : x
  2. Step 2: Convert to fraction form
    11,768.16/16,239.60 = 6,462.72/x
  3. Step 3: Cross multiply
    11,768.16x = 16,239.60 × 6,462.72
  4. Step 4: Simplify right side
    11,768.16x = 104,951,987.71
  5. Step 5: Solve for x
    x = 104,951,987.71/11,768.16
  6. Step 6: Final answer
    x = 8,918.30

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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.