Home / 19,952.24-29,911.95-7,945.61

Finding the Fourth Proportional to 19,952.24, 29,911.95 and 7,945.61

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Solution

The fourth proportional to 19,952.24, 29,911.95 and 7,945.61 is: 11,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.24 : 29,911.95 = 7,945.61 : x
  2. Step 2: Convert to fraction form
    19,952.24/29,911.95 = 7,945.61/x
  3. Step 3: Cross multiply
    19,952.24x = 29,911.95 × 7,945.61
  4. Step 4: Simplify right side
    19,952.24x = 237,668,539.48
  5. Step 5: Solve for x
    x = 237,668,539.48/19,952.24
  6. Step 6: Final answer
    x = 11,911.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.