Home / 10,100.34-15,156.99-4,903.38

Finding the Fourth Proportional to 10,100.34, 15,156.99 and 4,903.38

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Solution

The fourth proportional to 10,100.34, 15,156.99 and 4,903.38 is: 7,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.34 : 15,156.99 = 4,903.38 : x
  2. Step 2: Convert to fraction form
    10,100.34/15,156.99 = 4,903.38/x
  3. Step 3: Cross multiply
    10,100.34x = 15,156.99 × 4,903.38
  4. Step 4: Simplify right side
    10,100.34x = 74,320,481.63
  5. Step 5: Solve for x
    x = 74,320,481.63/10,100.34
  6. Step 6: Final answer
    x = 7,358.22

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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.