Home / 13,566.27-20,353.05-4,807.38

Finding the Fourth Proportional to 13,566.27, 20,353.05 and 4,807.38

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Solution

The fourth proportional to 13,566.27, 20,353.05 and 4,807.38 is: 7,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.27 : 20,353.05 = 4,807.38 : x
  2. Step 2: Convert to fraction form
    13,566.27/20,353.05 = 4,807.38/x
  3. Step 3: Cross multiply
    13,566.27x = 20,353.05 × 4,807.38
  4. Step 4: Simplify right side
    13,566.27x = 97,844,845.51
  5. Step 5: Solve for x
    x = 97,844,845.51/13,566.27
  6. Step 6: Final answer
    x = 7,212.36

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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.