Home / 13,904.94-20,860.65-4,545.39

Finding the Fourth Proportional to 13,904.94, 20,860.65 and 4,545.39

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Solution

The fourth proportional to 13,904.94, 20,860.65 and 4,545.39 is: 6,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.94 : 20,860.65 = 4,545.39 : x
  2. Step 2: Convert to fraction form
    13,904.94/20,860.65 = 4,545.39/x
  3. Step 3: Cross multiply
    13,904.94x = 20,860.65 × 4,545.39
  4. Step 4: Simplify right side
    13,904.94x = 94,819,789.90
  5. Step 5: Solve for x
    x = 94,819,789.90/13,904.94
  6. Step 6: Final answer
    x = 6,819.14

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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.