Home / 19,454.09-29,185.79-8,360.91

Finding the Fourth Proportional to 19,454.09, 29,185.79 and 8,360.91

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Solution

The fourth proportional to 19,454.09, 29,185.79 and 8,360.91 is: 12,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.09 : 29,185.79 = 8,360.91 : x
  2. Step 2: Convert to fraction form
    19,454.09/29,185.79 = 8,360.91/x
  3. Step 3: Cross multiply
    19,454.09x = 29,185.79 × 8,360.91
  4. Step 4: Simplify right side
    19,454.09x = 244,019,721.66
  5. Step 5: Solve for x
    x = 244,019,721.66/19,454.09
  6. Step 6: Final answer
    x = 12,543.37

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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.