Home / 10,606.10-15,988.54-9,892.49

Finding the Fourth Proportional to 10,606.10, 15,988.54 and 9,892.49

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Solution

The fourth proportional to 10,606.10, 15,988.54 and 9,892.49 is: 14,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.10 : 15,988.54 = 9,892.49 : x
  2. Step 2: Convert to fraction form
    10,606.10/15,988.54 = 9,892.49/x
  3. Step 3: Cross multiply
    10,606.10x = 15,988.54 × 9,892.49
  4. Step 4: Simplify right side
    10,606.10x = 158,166,422.60
  5. Step 5: Solve for x
    x = 158,166,422.60/10,606.10
  6. Step 6: Final answer
    x = 14,912.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.