Home / 11,718.74-16,171.45-7,002.11

Finding the Fourth Proportional to 11,718.74, 16,171.45 and 7,002.11

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Solution

The fourth proportional to 11,718.74, 16,171.45 and 7,002.11 is: 9,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.74 : 16,171.45 = 7,002.11 : x
  2. Step 2: Convert to fraction form
    11,718.74/16,171.45 = 7,002.11/x
  3. Step 3: Cross multiply
    11,718.74x = 16,171.45 × 7,002.11
  4. Step 4: Simplify right side
    11,718.74x = 113,234,294.68
  5. Step 5: Solve for x
    x = 113,234,294.68/11,718.74
  6. Step 6: Final answer
    x = 9,662.67

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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.