Home / 13,681.08-20,524.38-4,322.56

Finding the Fourth Proportional to 13,681.08, 20,524.38 and 4,322.56

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Solution

The fourth proportional to 13,681.08, 20,524.38 and 4,322.56 is: 6,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681.08 : 20,524.38 = 4,322.56 : x
  2. Step 2: Convert to fraction form
    13,681.08/20,524.38 = 4,322.56/x
  3. Step 3: Cross multiply
    13,681.08x = 20,524.38 × 4,322.56
  4. Step 4: Simplify right side
    13,681.08x = 88,717,864.01
  5. Step 5: Solve for x
    x = 88,717,864.01/13,681.08
  6. Step 6: Final answer
    x = 6,484.71

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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.