Home / 12,719.05-17,549.16-7,616.24

Finding the Fourth Proportional to 12,719.05, 17,549.16 and 7,616.24

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Solution

The fourth proportional to 12,719.05, 17,549.16 and 7,616.24 is: 10,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,719.05 : 17,549.16 = 7,616.24 : x
  2. Step 2: Convert to fraction form
    12,719.05/17,549.16 = 7,616.24/x
  3. Step 3: Cross multiply
    12,719.05x = 17,549.16 × 7,616.24
  4. Step 4: Simplify right side
    12,719.05x = 133,658,563.86
  5. Step 5: Solve for x
    x = 133,658,563.86/12,719.05
  6. Step 6: Final answer
    x = 10,508.54

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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.