Home / 19,923.97-29,919.27-12,444.93

Finding the Fourth Proportional to 19,923.97, 29,919.27 and 12,444.93

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Solution

The fourth proportional to 19,923.97, 29,919.27 and 12,444.93 is: 18,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.97 : 29,919.27 = 12,444.93 : x
  2. Step 2: Convert to fraction form
    19,923.97/29,919.27 = 12,444.93/x
  3. Step 3: Cross multiply
    19,923.97x = 29,919.27 × 12,444.93
  4. Step 4: Simplify right side
    19,923.97x = 372,343,379.67
  5. Step 5: Solve for x
    x = 372,343,379.67/19,923.97
  6. Step 6: Final answer
    x = 18,688.21

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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.