Home / 17,502.24-24,139.44-11,215.20

Finding the Fourth Proportional to 17,502.24, 24,139.44 and 11,215.20

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Solution

The fourth proportional to 17,502.24, 24,139.44 and 11,215.20 is: 15,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,502.24 : 24,139.44 = 11,215.20 : x
  2. Step 2: Convert to fraction form
    17,502.24/24,139.44 = 11,215.20/x
  3. Step 3: Cross multiply
    17,502.24x = 24,139.44 × 11,215.20
  4. Step 4: Simplify right side
    17,502.24x = 270,728,647.49
  5. Step 5: Solve for x
    x = 270,728,647.49/17,502.24
  6. Step 6: Final answer
    x = 15,468.23

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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.