Home / 16,680.64-25,012.52-5,583.36

Finding the Fourth Proportional to 16,680.64, 25,012.52 and 5,583.36

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Solution

The fourth proportional to 16,680.64, 25,012.52 and 5,583.36 is: 8,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.64 : 25,012.52 = 5,583.36 : x
  2. Step 2: Convert to fraction form
    16,680.64/25,012.52 = 5,583.36/x
  3. Step 3: Cross multiply
    16,680.64x = 25,012.52 × 5,583.36
  4. Step 4: Simplify right side
    16,680.64x = 139,653,903.67
  5. Step 5: Solve for x
    x = 139,653,903.67/16,680.64
  6. Step 6: Final answer
    x = 8,372.21

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Why These Related Problems?

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