Home / 19,637.22-29,444.67-13,404.78

Finding the Fourth Proportional to 19,637.22, 29,444.67 and 13,404.78

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Solution

The fourth proportional to 19,637.22, 29,444.67 and 13,404.78 is: 20,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.22 : 29,444.67 = 13,404.78 : x
  2. Step 2: Convert to fraction form
    19,637.22/29,444.67 = 13,404.78/x
  3. Step 3: Cross multiply
    19,637.22x = 29,444.67 × 13,404.78
  4. Step 4: Simplify right side
    19,637.22x = 394,699,323.52
  5. Step 5: Solve for x
    x = 394,699,323.52/19,637.22
  6. Step 6: Final answer
    x = 20,099.55

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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.