Home / 13,171.11-19,756.64-6,148.77

Finding the Fourth Proportional to 13,171.11, 19,756.64 and 6,148.77

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Solution

The fourth proportional to 13,171.11, 19,756.64 and 6,148.77 is: 9,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.11 : 19,756.64 = 6,148.77 : x
  2. Step 2: Convert to fraction form
    13,171.11/19,756.64 = 6,148.77/x
  3. Step 3: Cross multiply
    13,171.11x = 19,756.64 × 6,148.77
  4. Step 4: Simplify right side
    13,171.11x = 121,479,050.70
  5. Step 5: Solve for x
    x = 121,479,050.70/13,171.11
  6. Step 6: Final answer
    x = 9,223.14

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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.