Home / 10,353.28-14,280-6,372.94

Finding the Fourth Proportional to 10,353.28, 14,280 and 6,372.94

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Solution

The fourth proportional to 10,353.28, 14,280 and 6,372.94 is: 8,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.28 : 14,280 = 6,372.94 : x
  2. Step 2: Convert to fraction form
    10,353.28/14,280 = 6,372.94/x
  3. Step 3: Cross multiply
    10,353.28x = 14,280 × 6,372.94
  4. Step 4: Simplify right side
    10,353.28x = 91,005,511.80
  5. Step 5: Solve for x
    x = 91,005,511.80/10,353.28
  6. Step 6: Final answer
    x = 8,790.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.