Home / 16,719.90-23,067.36-10,005.72

Finding the Fourth Proportional to 16,719.90, 23,067.36 and 10,005.72

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Solution

The fourth proportional to 16,719.90, 23,067.36 and 10,005.72 is: 13,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.90 : 23,067.36 = 10,005.72 : x
  2. Step 2: Convert to fraction form
    16,719.90/23,067.36 = 10,005.72/x
  3. Step 3: Cross multiply
    16,719.90x = 23,067.36 × 10,005.72
  4. Step 4: Simplify right side
    16,719.90x = 230,805,545.30
  5. Step 5: Solve for x
    x = 230,805,545.30/16,719.90
  6. Step 6: Final answer
    x = 13,804.24

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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.