Home / 18,215.01-25,135.11-10,148.32

Finding the Fourth Proportional to 18,215.01, 25,135.11 and 10,148.32

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Solution

The fourth proportional to 18,215.01, 25,135.11 and 10,148.32 is: 14,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.01 : 25,135.11 = 10,148.32 : x
  2. Step 2: Convert to fraction form
    18,215.01/25,135.11 = 10,148.32/x
  3. Step 3: Cross multiply
    18,215.01x = 25,135.11 × 10,148.32
  4. Step 4: Simplify right side
    18,215.01x = 255,079,170.93
  5. Step 5: Solve for x
    x = 255,079,170.93/18,215.01
  6. Step 6: Final answer
    x = 14,003.79

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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.