Home / 10,892.84-15,034.62-6,645.36

Finding the Fourth Proportional to 10,892.84, 15,034.62 and 6,645.36

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Solution

The fourth proportional to 10,892.84, 15,034.62 and 6,645.36 is: 9,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.84 : 15,034.62 = 6,645.36 : x
  2. Step 2: Convert to fraction form
    10,892.84/15,034.62 = 6,645.36/x
  3. Step 3: Cross multiply
    10,892.84x = 15,034.62 × 6,645.36
  4. Step 4: Simplify right side
    10,892.84x = 99,910,462.36
  5. Step 5: Solve for x
    x = 99,910,462.36/10,892.84
  6. Step 6: Final answer
    x = 9,172.12

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1.5x scale

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.