Home / 13,562.68-20,344.56-4,203.67

Finding the Fourth Proportional to 13,562.68, 20,344.56 and 4,203.67

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Solution

The fourth proportional to 13,562.68, 20,344.56 and 4,203.67 is: 6,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.68 : 20,344.56 = 4,203.67 : x
  2. Step 2: Convert to fraction form
    13,562.68/20,344.56 = 4,203.67/x
  3. Step 3: Cross multiply
    13,562.68x = 20,344.56 × 4,203.67
  4. Step 4: Simplify right side
    13,562.68x = 85,521,816.54
  5. Step 5: Solve for x
    x = 85,521,816.54/13,562.68
  6. Step 6: Final answer
    x = 6,305.67

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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.