Home / 13,217.26-19,830-4,332.67

Finding the Fourth Proportional to 13,217.26, 19,830 and 4,332.67

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Solution

The fourth proportional to 13,217.26, 19,830 and 4,332.67 is: 6,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.26 : 19,830 = 4,332.67 : x
  2. Step 2: Convert to fraction form
    13,217.26/19,830 = 4,332.67/x
  3. Step 3: Cross multiply
    13,217.26x = 19,830 × 4,332.67
  4. Step 4: Simplify right side
    13,217.26x = 85,916,796.53
  5. Step 5: Solve for x
    x = 85,916,796.53/13,217.26
  6. Step 6: Final answer
    x = 6,500.35

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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.