Home / 13,596.86-20,398.53-5,277.08

Finding the Fourth Proportional to 13,596.86, 20,398.53 and 5,277.08

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Solution

The fourth proportional to 13,596.86, 20,398.53 and 5,277.08 is: 7,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.86 : 20,398.53 = 5,277.08 : x
  2. Step 2: Convert to fraction form
    13,596.86/20,398.53 = 5,277.08/x
  3. Step 3: Cross multiply
    13,596.86x = 20,398.53 × 5,277.08
  4. Step 4: Simplify right side
    13,596.86x = 107,644,674.69
  5. Step 5: Solve for x
    x = 107,644,674.69/13,596.86
  6. Step 6: Final answer
    x = 7,916.88

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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.