Home / 9,917.61-13,688.67-6,736.20

Finding the Fourth Proportional to 9,917.61, 13,688.67 and 6,736.20

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Solution

The fourth proportional to 9,917.61, 13,688.67 and 6,736.20 is: 9,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.61 : 13,688.67 = 6,736.20 : x
  2. Step 2: Convert to fraction form
    9,917.61/13,688.67 = 6,736.20/x
  3. Step 3: Cross multiply
    9,917.61x = 13,688.67 × 6,736.20
  4. Step 4: Simplify right side
    9,917.61x = 92,209,618.85
  5. Step 5: Solve for x
    x = 92,209,618.85/9,917.61
  6. Step 6: Final answer
    x = 9,297.56

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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.