Home / 12,621.48-17,417.99-7,244.38

Finding the Fourth Proportional to 12,621.48, 17,417.99 and 7,244.38

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Solution

The fourth proportional to 12,621.48, 17,417.99 and 7,244.38 is: 9,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.48 : 17,417.99 = 7,244.38 : x
  2. Step 2: Convert to fraction form
    12,621.48/17,417.99 = 7,244.38/x
  3. Step 3: Cross multiply
    12,621.48x = 17,417.99 × 7,244.38
  4. Step 4: Simplify right side
    12,621.48x = 126,182,512.96
  5. Step 5: Solve for x
    x = 126,182,512.96/12,621.48
  6. Step 6: Final answer
    x = 9,997.44

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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.