Home / 13,916.44-20,859.54-6,516.28

Finding the Fourth Proportional to 13,916.44, 20,859.54 and 6,516.28

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Solution

The fourth proportional to 13,916.44, 20,859.54 and 6,516.28 is: 9,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.44 : 20,859.54 = 6,516.28 : x
  2. Step 2: Convert to fraction form
    13,916.44/20,859.54 = 6,516.28/x
  3. Step 3: Cross multiply
    13,916.44x = 20,859.54 × 6,516.28
  4. Step 4: Simplify right side
    13,916.44x = 135,926,603.31
  5. Step 5: Solve for x
    x = 135,926,603.31/13,916.44
  6. Step 6: Final answer
    x = 9,767.34

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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.