Home / 13,677.06-20,516.04-4,317.18

Finding the Fourth Proportional to 13,677.06, 20,516.04 and 4,317.18

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Solution

The fourth proportional to 13,677.06, 20,516.04 and 4,317.18 is: 6,475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.06 : 20,516.04 = 4,317.18 : x
  2. Step 2: Convert to fraction form
    13,677.06/20,516.04 = 4,317.18/x
  3. Step 3: Cross multiply
    13,677.06x = 20,516.04 × 4,317.18
  4. Step 4: Simplify right side
    13,677.06x = 88,571,437.57
  5. Step 5: Solve for x
    x = 88,571,437.57/13,677.06
  6. Step 6: Final answer
    x = 6,475.91

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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.