Home / 10,400.84-14,359.46-6,869.96

Finding the Fourth Proportional to 10,400.84, 14,359.46 and 6,869.96

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Solution

The fourth proportional to 10,400.84, 14,359.46 and 6,869.96 is: 9,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.84 : 14,359.46 = 6,869.96 : x
  2. Step 2: Convert to fraction form
    10,400.84/14,359.46 = 6,869.96/x
  3. Step 3: Cross multiply
    10,400.84x = 14,359.46 × 6,869.96
  4. Step 4: Simplify right side
    10,400.84x = 98,648,915.82
  5. Step 5: Solve for x
    x = 98,648,915.82/10,400.84
  6. Step 6: Final answer
    x = 9,484.71

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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.