Home / 10,638.18-15,956.70-4,065.06

Finding the Fourth Proportional to 10,638.18, 15,956.70 and 4,065.06

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Solution

The fourth proportional to 10,638.18, 15,956.70 and 4,065.06 is: 6,097.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.18 : 15,956.70 = 4,065.06 : x
  2. Step 2: Convert to fraction form
    10,638.18/15,956.70 = 4,065.06/x
  3. Step 3: Cross multiply
    10,638.18x = 15,956.70 × 4,065.06
  4. Step 4: Simplify right side
    10,638.18x = 64,864,942.90
  5. Step 5: Solve for x
    x = 64,864,942.90/10,638.18
  6. Step 6: Final answer
    x = 6,097.37

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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.