Home / 10,372.09-15,558.07-6,213.28

Finding the Fourth Proportional to 10,372.09, 15,558.07 and 6,213.28

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Solution

The fourth proportional to 10,372.09, 15,558.07 and 6,213.28 is: 9,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.09 : 15,558.07 = 6,213.28 : x
  2. Step 2: Convert to fraction form
    10,372.09/15,558.07 = 6,213.28/x
  3. Step 3: Cross multiply
    10,372.09x = 15,558.07 × 6,213.28
  4. Step 4: Simplify right side
    10,372.09x = 96,666,645.17
  5. Step 5: Solve for x
    x = 96,666,645.17/10,372.09
  6. Step 6: Final answer
    x = 9,319.88

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1.5x scale

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.