Home / 10,431.24-14,397.78-6,450

Finding the Fourth Proportional to 10,431.24, 14,397.78 and 6,450

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Solution

The fourth proportional to 10,431.24, 14,397.78 and 6,450 is: 8,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.24 : 14,397.78 = 6,450 : x
  2. Step 2: Convert to fraction form
    10,431.24/14,397.78 = 6,450/x
  3. Step 3: Cross multiply
    10,431.24x = 14,397.78 × 6,450
  4. Step 4: Simplify right side
    10,431.24x = 92,865,681
  5. Step 5: Solve for x
    x = 92,865,681/10,431.24
  6. Step 6: Final answer
    x = 8,902.65

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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.