Home / 16,688.36-23,029.73-9,134.66

Finding the Fourth Proportional to 16,688.36, 23,029.73 and 9,134.66

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Solution

The fourth proportional to 16,688.36, 23,029.73 and 9,134.66 is: 12,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.36 : 23,029.73 = 9,134.66 : x
  2. Step 2: Convert to fraction form
    16,688.36/23,029.73 = 9,134.66/x
  3. Step 3: Cross multiply
    16,688.36x = 23,029.73 × 9,134.66
  4. Step 4: Simplify right side
    16,688.36x = 210,368,753.44
  5. Step 5: Solve for x
    x = 210,368,753.44/16,688.36
  6. Step 6: Final answer
    x = 12,605.72

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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.