Home / 13,576.14-20,377.31-6,561.07

Finding the Fourth Proportional to 13,576.14, 20,377.31 and 6,561.07

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Solution

The fourth proportional to 13,576.14, 20,377.31 and 6,561.07 is: 9,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.14 : 20,377.31 = 6,561.07 : x
  2. Step 2: Convert to fraction form
    13,576.14/20,377.31 = 6,561.07/x
  3. Step 3: Cross multiply
    13,576.14x = 20,377.31 × 6,561.07
  4. Step 4: Simplify right side
    13,576.14x = 133,696,873.57
  5. Step 5: Solve for x
    x = 133,696,873.57/13,576.14
  6. Step 6: Final answer
    x = 9,847.93

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1.5x scale

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.