Home / 14,217.24-21,319.28-5,325.96

Finding the Fourth Proportional to 14,217.24, 21,319.28 and 5,325.96

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Solution

The fourth proportional to 14,217.24, 21,319.28 and 5,325.96 is: 7,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.24 : 21,319.28 = 5,325.96 : x
  2. Step 2: Convert to fraction form
    14,217.24/21,319.28 = 5,325.96/x
  3. Step 3: Cross multiply
    14,217.24x = 21,319.28 × 5,325.96
  4. Step 4: Simplify right side
    14,217.24x = 113,545,632.51
  5. Step 5: Solve for x
    x = 113,545,632.51/14,217.24
  6. Step 6: Final answer
    x = 7,986.48

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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.