Home / 13,507.86-20,269.07-6,582.36

Finding the Fourth Proportional to 13,507.86, 20,269.07 and 6,582.36

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Solution

The fourth proportional to 13,507.86, 20,269.07 and 6,582.36 is: 9,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.86 : 20,269.07 = 6,582.36 : x
  2. Step 2: Convert to fraction form
    13,507.86/20,269.07 = 6,582.36/x
  3. Step 3: Cross multiply
    13,507.86x = 20,269.07 × 6,582.36
  4. Step 4: Simplify right side
    13,507.86x = 133,418,282.69
  5. Step 5: Solve for x
    x = 133,418,282.69/13,507.86
  6. Step 6: Final answer
    x = 9,877.09

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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.