Home / 11,286.67-15,575.56-6,318.67

Finding the Fourth Proportional to 11,286.67, 15,575.56 and 6,318.67

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Solution

The fourth proportional to 11,286.67, 15,575.56 and 6,318.67 is: 8,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.67 : 15,575.56 = 6,318.67 : x
  2. Step 2: Convert to fraction form
    11,286.67/15,575.56 = 6,318.67/x
  3. Step 3: Cross multiply
    11,286.67x = 15,575.56 × 6,318.67
  4. Step 4: Simplify right side
    11,286.67x = 98,416,823.71
  5. Step 5: Solve for x
    x = 98,416,823.71/11,286.67
  6. Step 6: Final answer
    x = 8,719.74

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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.