Home / 14,370.09-19,829.66-8,081.25

Finding the Fourth Proportional to 14,370.09, 19,829.66 and 8,081.25

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Solution

The fourth proportional to 14,370.09, 19,829.66 and 8,081.25 is: 11,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.09 : 19,829.66 = 8,081.25 : x
  2. Step 2: Convert to fraction form
    14,370.09/19,829.66 = 8,081.25/x
  3. Step 3: Cross multiply
    14,370.09x = 19,829.66 × 8,081.25
  4. Step 4: Simplify right side
    14,370.09x = 160,248,399.47
  5. Step 5: Solve for x
    x = 160,248,399.47/14,370.09
  6. Step 6: Final answer
    x = 11,151.52

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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.