Home / 19,709.13-29,548.00-11,379.70

Finding the Fourth Proportional to 19,709.13, 29,548.00 and 11,379.70

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Solution

The fourth proportional to 19,709.13, 29,548.00 and 11,379.70 is: 17,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.13 : 29,548.00 = 11,379.70 : x
  2. Step 2: Convert to fraction form
    19,709.13/29,548.00 = 11,379.70/x
  3. Step 3: Cross multiply
    19,709.13x = 29,548.00 × 11,379.70
  4. Step 4: Simplify right side
    19,709.13x = 336,247,273.28
  5. Step 5: Solve for x
    x = 336,247,273.28/19,709.13
  6. Step 6: Final answer
    x = 17,060.48

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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.