Home / 16,802.64-25,205.40-5,115.96

Finding the Fourth Proportional to 16,802.64, 25,205.40 and 5,115.96

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Solution

The fourth proportional to 16,802.64, 25,205.40 and 5,115.96 is: 7,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.64 : 25,205.40 = 5,115.96 : x
  2. Step 2: Convert to fraction form
    16,802.64/25,205.40 = 5,115.96/x
  3. Step 3: Cross multiply
    16,802.64x = 25,205.40 × 5,115.96
  4. Step 4: Simplify right side
    16,802.64x = 128,949,818.18
  5. Step 5: Solve for x
    x = 128,949,818.18/16,802.64
  6. Step 6: Final answer
    x = 7,674.38

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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.