Home / 15,888.41-21,926.99-9,175.26

Finding the Fourth Proportional to 15,888.41, 21,926.99 and 9,175.26

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Solution

The fourth proportional to 15,888.41, 21,926.99 and 9,175.26 is: 12,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.41 : 21,926.99 = 9,175.26 : x
  2. Step 2: Convert to fraction form
    15,888.41/21,926.99 = 9,175.26/x
  3. Step 3: Cross multiply
    15,888.41x = 21,926.99 × 9,175.26
  4. Step 4: Simplify right side
    15,888.41x = 201,185,857.21
  5. Step 5: Solve for x
    x = 201,185,857.21/15,888.41
  6. Step 6: Final answer
    x = 12,662.43

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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.