Home / 14,403.26-19,876.38-8,029.78

Finding the Fourth Proportional to 14,403.26, 19,876.38 and 8,029.78

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Solution

The fourth proportional to 14,403.26, 19,876.38 and 8,029.78 is: 11,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.26 : 19,876.38 = 8,029.78 : x
  2. Step 2: Convert to fraction form
    14,403.26/19,876.38 = 8,029.78/x
  3. Step 3: Cross multiply
    14,403.26x = 19,876.38 × 8,029.78
  4. Step 4: Simplify right side
    14,403.26x = 159,602,859.21
  5. Step 5: Solve for x
    x = 159,602,859.21/14,403.26
  6. Step 6: Final answer
    x = 11,081.02

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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.