Home / 13,916.40-20,872.01-4,053.34

Finding the Fourth Proportional to 13,916.40, 20,872.01 and 4,053.34

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Solution

The fourth proportional to 13,916.40, 20,872.01 and 4,053.34 is: 6,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.40 : 20,872.01 = 4,053.34 : x
  2. Step 2: Convert to fraction form
    13,916.40/20,872.01 = 4,053.34/x
  3. Step 3: Cross multiply
    13,916.40x = 20,872.01 × 4,053.34
  4. Step 4: Simplify right side
    13,916.40x = 84,601,353.01
  5. Step 5: Solve for x
    x = 84,601,353.01/13,916.40
  6. Step 6: Final answer
    x = 6,079.26

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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.