Home / 10,541.36-15,813.12-3,423.84

Finding the Fourth Proportional to 10,541.36, 15,813.12 and 3,423.84

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Solution

The fourth proportional to 10,541.36, 15,813.12 and 3,423.84 is: 5,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.36 : 15,813.12 = 3,423.84 : x
  2. Step 2: Convert to fraction form
    10,541.36/15,813.12 = 3,423.84/x
  3. Step 3: Cross multiply
    10,541.36x = 15,813.12 × 3,423.84
  4. Step 4: Simplify right side
    10,541.36x = 54,141,592.78
  5. Step 5: Solve for x
    x = 54,141,592.78/10,541.36
  6. Step 6: Final answer
    x = 5,136.11

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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.