Home / 15,841.98-21,860.46-9,467.31

Finding the Fourth Proportional to 15,841.98, 21,860.46 and 9,467.31

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Solution

The fourth proportional to 15,841.98, 21,860.46 and 9,467.31 is: 13,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.98 : 21,860.46 = 9,467.31 : x
  2. Step 2: Convert to fraction form
    15,841.98/21,860.46 = 9,467.31/x
  3. Step 3: Cross multiply
    15,841.98x = 21,860.46 × 9,467.31
  4. Step 4: Simplify right side
    15,841.98x = 206,959,751.56
  5. Step 5: Solve for x
    x = 206,959,751.56/15,841.98
  6. Step 6: Final answer
    x = 13,064.01

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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.