Home / 15,841.80-21,854.82-9,550.60

Finding the Fourth Proportional to 15,841.80, 21,854.82 and 9,550.60

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Solution

The fourth proportional to 15,841.80, 21,854.82 and 9,550.60 is: 13,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.80 : 21,854.82 = 9,550.60 : x
  2. Step 2: Convert to fraction form
    15,841.80/21,854.82 = 9,550.60/x
  3. Step 3: Cross multiply
    15,841.80x = 21,854.82 × 9,550.60
  4. Step 4: Simplify right side
    15,841.80x = 208,726,643.89
  5. Step 5: Solve for x
    x = 208,726,643.89/15,841.80
  6. Step 6: Final answer
    x = 13,175.69

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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.