Home / 10,201.47-15,312.53-6,869.33

Finding the Fourth Proportional to 10,201.47, 15,312.53 and 6,869.33

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Solution

The fourth proportional to 10,201.47, 15,312.53 and 6,869.33 is: 10,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.47 : 15,312.53 = 6,869.33 : x
  2. Step 2: Convert to fraction form
    10,201.47/15,312.53 = 6,869.33/x
  3. Step 3: Cross multiply
    10,201.47x = 15,312.53 × 6,869.33
  4. Step 4: Simplify right side
    10,201.47x = 105,186,821.70
  5. Step 5: Solve for x
    x = 105,186,821.70/10,201.47
  6. Step 6: Final answer
    x = 10,310.95

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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.