Home / 13,539.25-20,301.45-4,176.67

Finding the Fourth Proportional to 13,539.25, 20,301.45 and 4,176.67

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Solution

The fourth proportional to 13,539.25, 20,301.45 and 4,176.67 is: 6,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.25 : 20,301.45 = 4,176.67 : x
  2. Step 2: Convert to fraction form
    13,539.25/20,301.45 = 4,176.67/x
  3. Step 3: Cross multiply
    13,539.25x = 20,301.45 × 4,176.67
  4. Step 4: Simplify right side
    13,539.25x = 84,792,457.17
  5. Step 5: Solve for x
    x = 84,792,457.17/13,539.25
  6. Step 6: Final answer
    x = 6,262.71

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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.