Home / 13,552.47-20,329.07-4,785.39

Finding the Fourth Proportional to 13,552.47, 20,329.07 and 4,785.39

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Solution

The fourth proportional to 13,552.47, 20,329.07 and 4,785.39 is: 7,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.47 : 20,329.07 = 4,785.39 : x
  2. Step 2: Convert to fraction form
    13,552.47/20,329.07 = 4,785.39/x
  3. Step 3: Cross multiply
    13,552.47x = 20,329.07 × 4,785.39
  4. Step 4: Simplify right side
    13,552.47x = 97,282,504.36
  5. Step 5: Solve for x
    x = 97,282,504.36/13,552.47
  6. Step 6: Final answer
    x = 7,178.21

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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.