Home / 19,472.86-29,209.26-11,147.06

Finding the Fourth Proportional to 19,472.86, 29,209.26 and 11,147.06

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Solution

The fourth proportional to 19,472.86, 29,209.26 and 11,147.06 is: 16,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.86 : 29,209.26 = 11,147.06 : x
  2. Step 2: Convert to fraction form
    19,472.86/29,209.26 = 11,147.06/x
  3. Step 3: Cross multiply
    19,472.86x = 29,209.26 × 11,147.06
  4. Step 4: Simplify right side
    19,472.86x = 325,597,373.78
  5. Step 5: Solve for x
    x = 325,597,373.78/19,472.86
  6. Step 6: Final answer
    x = 16,720.57

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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.