Home / 16,718.72-25,079.32-5,625.36

Finding the Fourth Proportional to 16,718.72, 25,079.32 and 5,625.36

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Solution

The fourth proportional to 16,718.72, 25,079.32 and 5,625.36 is: 8,438.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.72 : 25,079.32 = 5,625.36 : x
  2. Step 2: Convert to fraction form
    16,718.72/25,079.32 = 5,625.36/x
  3. Step 3: Cross multiply
    16,718.72x = 25,079.32 × 5,625.36
  4. Step 4: Simplify right side
    16,718.72x = 141,080,203.56
  5. Step 5: Solve for x
    x = 141,080,203.56/16,718.72
  6. Step 6: Final answer
    x = 8,438.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.