Home / 13,956.20-20,916.54-6,544.34

Finding the Fourth Proportional to 13,956.20, 20,916.54 and 6,544.34

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Solution

The fourth proportional to 13,956.20, 20,916.54 and 6,544.34 is: 9,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.20 : 20,916.54 = 6,544.34 : x
  2. Step 2: Convert to fraction form
    13,956.20/20,916.54 = 6,544.34/x
  3. Step 3: Cross multiply
    13,956.20x = 20,916.54 × 6,544.34
  4. Step 4: Simplify right side
    13,956.20x = 136,884,949.38
  5. Step 5: Solve for x
    x = 136,884,949.38/13,956.20
  6. Step 6: Final answer
    x = 9,808.18

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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.