Home / 12,507.24-17,261.62-7,202.28

Finding the Fourth Proportional to 12,507.24, 17,261.62 and 7,202.28

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Solution

The fourth proportional to 12,507.24, 17,261.62 and 7,202.28 is: 9,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.24 : 17,261.62 = 7,202.28 : x
  2. Step 2: Convert to fraction form
    12,507.24/17,261.62 = 7,202.28/x
  3. Step 3: Cross multiply
    12,507.24x = 17,261.62 × 7,202.28
  4. Step 4: Simplify right side
    12,507.24x = 124,323,020.49
  5. Step 5: Solve for x
    x = 124,323,020.49/12,507.24
  6. Step 6: Final answer
    x = 9,940.08

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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.