Home / 16,930.08-23,363.84-10,131.09

Finding the Fourth Proportional to 16,930.08, 23,363.84 and 10,131.09

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Solution

The fourth proportional to 16,930.08, 23,363.84 and 10,131.09 is: 13,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.08 : 23,363.84 = 10,131.09 : x
  2. Step 2: Convert to fraction form
    16,930.08/23,363.84 = 10,131.09/x
  3. Step 3: Cross multiply
    16,930.08x = 23,363.84 × 10,131.09
  4. Step 4: Simplify right side
    16,930.08x = 236,701,192.18
  5. Step 5: Solve for x
    x = 236,701,192.18/16,930.08
  6. Step 6: Final answer
    x = 13,981.10

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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.