Home / 19,571.11-29,330.70-10,663.59

Finding the Fourth Proportional to 19,571.11, 29,330.70 and 10,663.59

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Solution

The fourth proportional to 19,571.11, 29,330.70 and 10,663.59 is: 15,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.11 : 29,330.70 = 10,663.59 : x
  2. Step 2: Convert to fraction form
    19,571.11/29,330.70 = 10,663.59/x
  3. Step 3: Cross multiply
    19,571.11x = 29,330.70 × 10,663.59
  4. Step 4: Simplify right side
    19,571.11x = 312,770,559.21
  5. Step 5: Solve for x
    x = 312,770,559.21/19,571.11
  6. Step 6: Final answer
    x = 15,981.24

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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.