Home / 13,468.69-20,212.25-4,703.60

Finding the Fourth Proportional to 13,468.69, 20,212.25 and 4,703.60

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Solution

The fourth proportional to 13,468.69, 20,212.25 and 4,703.60 is: 7,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.69 : 20,212.25 = 4,703.60 : x
  2. Step 2: Convert to fraction form
    13,468.69/20,212.25 = 4,703.60/x
  3. Step 3: Cross multiply
    13,468.69x = 20,212.25 × 4,703.60
  4. Step 4: Simplify right side
    13,468.69x = 95,070,339.10
  5. Step 5: Solve for x
    x = 95,070,339.10/13,468.69
  6. Step 6: Final answer
    x = 7,058.62

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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.