Home / 12,621.03-17,417.42-7,244.45

Finding the Fourth Proportional to 12,621.03, 17,417.42 and 7,244.45

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Solution

The fourth proportional to 12,621.03, 17,417.42 and 7,244.45 is: 9,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.03 : 17,417.42 = 7,244.45 : x
  2. Step 2: Convert to fraction form
    12,621.03/17,417.42 = 7,244.45/x
  3. Step 3: Cross multiply
    12,621.03x = 17,417.42 × 7,244.45
  4. Step 4: Simplify right side
    12,621.03x = 126,179,505.01
  5. Step 5: Solve for x
    x = 126,179,505.01/12,621.03
  6. Step 6: Final answer
    x = 9,997.56

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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.