Home / 18,664.30-25,756.01-10,166.29

Finding the Fourth Proportional to 18,664.30, 25,756.01 and 10,166.29

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Solution

The fourth proportional to 18,664.30, 25,756.01 and 10,166.29 is: 14,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.30 : 25,756.01 = 10,166.29 : x
  2. Step 2: Convert to fraction form
    18,664.30/25,756.01 = 10,166.29/x
  3. Step 3: Cross multiply
    18,664.30x = 25,756.01 × 10,166.29
  4. Step 4: Simplify right side
    18,664.30x = 261,843,066.90
  5. Step 5: Solve for x
    x = 261,843,066.90/18,664.30
  6. Step 6: Final answer
    x = 14,029.09

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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.