Home / 12,581.49-17,360.56-7,203.09

Finding the Fourth Proportional to 12,581.49, 17,360.56 and 7,203.09

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Solution

The fourth proportional to 12,581.49, 17,360.56 and 7,203.09 is: 9,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.49 : 17,360.56 = 7,203.09 : x
  2. Step 2: Convert to fraction form
    12,581.49/17,360.56 = 7,203.09/x
  3. Step 3: Cross multiply
    12,581.49x = 17,360.56 × 7,203.09
  4. Step 4: Simplify right side
    12,581.49x = 125,049,750.24
  5. Step 5: Solve for x
    x = 125,049,750.24/12,581.49
  6. Step 6: Final answer
    x = 9,939.18

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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.