Home / 13,239.60-19,855.19-4,352.86

Finding the Fourth Proportional to 13,239.60, 19,855.19 and 4,352.86

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Solution

The fourth proportional to 13,239.60, 19,855.19 and 4,352.86 is: 6,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.60 : 19,855.19 = 4,352.86 : x
  2. Step 2: Convert to fraction form
    13,239.60/19,855.19 = 4,352.86/x
  3. Step 3: Cross multiply
    13,239.60x = 19,855.19 × 4,352.86
  4. Step 4: Simplify right side
    13,239.60x = 86,426,935.52
  5. Step 5: Solve for x
    x = 86,426,935.52/13,239.60
  6. Step 6: Final answer
    x = 6,527.91

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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.