Home / 15,952.82-22,019.73-9,240.09

Finding the Fourth Proportional to 15,952.82, 22,019.73 and 9,240.09

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Solution

The fourth proportional to 15,952.82, 22,019.73 and 9,240.09 is: 12,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.82 : 22,019.73 = 9,240.09 : x
  2. Step 2: Convert to fraction form
    15,952.82/22,019.73 = 9,240.09/x
  3. Step 3: Cross multiply
    15,952.82x = 22,019.73 × 9,240.09
  4. Step 4: Simplify right side
    15,952.82x = 203,464,345.59
  5. Step 5: Solve for x
    x = 203,464,345.59/15,952.82
  6. Step 6: Final answer
    x = 12,754.13

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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.