Home / 13,847.36-20,761.28-6,916.96

Finding the Fourth Proportional to 13,847.36, 20,761.28 and 6,916.96

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Solution

The fourth proportional to 13,847.36, 20,761.28 and 6,916.96 is: 10,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.36 : 20,761.28 = 6,916.96 : x
  2. Step 2: Convert to fraction form
    13,847.36/20,761.28 = 6,916.96/x
  3. Step 3: Cross multiply
    13,847.36x = 20,761.28 × 6,916.96
  4. Step 4: Simplify right side
    13,847.36x = 143,604,943.31
  5. Step 5: Solve for x
    x = 143,604,943.31/13,847.36
  6. Step 6: Final answer
    x = 10,370.56

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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.