Home / 13,552.55-20,317.14-5,238.40

Finding the Fourth Proportional to 13,552.55, 20,317.14 and 5,238.40

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Solution

The fourth proportional to 13,552.55, 20,317.14 and 5,238.40 is: 7,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.55 : 20,317.14 = 5,238.40 : x
  2. Step 2: Convert to fraction form
    13,552.55/20,317.14 = 5,238.40/x
  3. Step 3: Cross multiply
    13,552.55x = 20,317.14 × 5,238.40
  4. Step 4: Simplify right side
    13,552.55x = 106,429,306.18
  5. Step 5: Solve for x
    x = 106,429,306.18/13,552.55
  6. Step 6: Final answer
    x = 7,853.08

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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.