Home / 10,091.19-15,132.30-4,243.67

Finding the Fourth Proportional to 10,091.19, 15,132.30 and 4,243.67

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Solution

The fourth proportional to 10,091.19, 15,132.30 and 4,243.67 is: 6,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.19 : 15,132.30 = 4,243.67 : x
  2. Step 2: Convert to fraction form
    10,091.19/15,132.30 = 4,243.67/x
  3. Step 3: Cross multiply
    10,091.19x = 15,132.30 × 4,243.67
  4. Step 4: Simplify right side
    10,091.19x = 64,216,487.54
  5. Step 5: Solve for x
    x = 64,216,487.54/10,091.19
  6. Step 6: Final answer
    x = 6,363.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.