Home / 13,365.11-20,048.72-4,480.47

Finding the Fourth Proportional to 13,365.11, 20,048.72 and 4,480.47

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Solution

The fourth proportional to 13,365.11, 20,048.72 and 4,480.47 is: 6,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.11 : 20,048.72 = 4,480.47 : x
  2. Step 2: Convert to fraction form
    13,365.11/20,048.72 = 4,480.47/x
  3. Step 3: Cross multiply
    13,365.11x = 20,048.72 × 4,480.47
  4. Step 4: Simplify right side
    13,365.11x = 89,827,666.10
  5. Step 5: Solve for x
    x = 89,827,666.10/13,365.11
  6. Step 6: Final answer
    x = 6,721.06

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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.