Home / 13,681.11-20,524.86-4,322.07

Finding the Fourth Proportional to 13,681.11, 20,524.86 and 4,322.07

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Solution

The fourth proportional to 13,681.11, 20,524.86 and 4,322.07 is: 6,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681.11 : 20,524.86 = 4,322.07 : x
  2. Step 2: Convert to fraction form
    13,681.11/20,524.86 = 4,322.07/x
  3. Step 3: Cross multiply
    13,681.11x = 20,524.86 × 4,322.07
  4. Step 4: Simplify right side
    13,681.11x = 88,709,881.66
  5. Step 5: Solve for x
    x = 88,709,881.66/13,681.11
  6. Step 6: Final answer
    x = 6,484.11

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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.