Home / 10,154.78-15,196.11-6,204.81

Finding the Fourth Proportional to 10,154.78, 15,196.11 and 6,204.81

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Solution

The fourth proportional to 10,154.78, 15,196.11 and 6,204.81 is: 9,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.78 : 15,196.11 = 6,204.81 : x
  2. Step 2: Convert to fraction form
    10,154.78/15,196.11 = 6,204.81/x
  3. Step 3: Cross multiply
    10,154.78x = 15,196.11 × 6,204.81
  4. Step 4: Simplify right side
    10,154.78x = 94,288,975.29
  5. Step 5: Solve for x
    x = 94,288,975.29/10,154.78
  6. Step 6: Final answer
    x = 9,285.18

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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.