Home / 19,359.76-26,720.55-11,404.75

Finding the Fourth Proportional to 19,359.76, 26,720.55 and 11,404.75

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Solution

The fourth proportional to 19,359.76, 26,720.55 and 11,404.75 is: 15,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.76 : 26,720.55 = 11,404.75 : x
  2. Step 2: Convert to fraction form
    19,359.76/26,720.55 = 11,404.75/x
  3. Step 3: Cross multiply
    19,359.76x = 26,720.55 × 11,404.75
  4. Step 4: Simplify right side
    19,359.76x = 304,741,192.61
  5. Step 5: Solve for x
    x = 304,741,192.61/19,359.76
  6. Step 6: Final answer
    x = 15,740.96

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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.