Home / 16,670.25-23,005.22-9,218.25

Finding the Fourth Proportional to 16,670.25, 23,005.22 and 9,218.25

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Solution

The fourth proportional to 16,670.25, 23,005.22 and 9,218.25 is: 12,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.25 : 23,005.22 = 9,218.25 : x
  2. Step 2: Convert to fraction form
    16,670.25/23,005.22 = 9,218.25/x
  3. Step 3: Cross multiply
    16,670.25x = 23,005.22 × 9,218.25
  4. Step 4: Simplify right side
    16,670.25x = 212,067,823.17
  5. Step 5: Solve for x
    x = 212,067,823.17/16,670.25
  6. Step 6: Final answer
    x = 12,721.33

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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.