Home / 10,807.74-16,216.62-4,569.21

Finding the Fourth Proportional to 10,807.74, 16,216.62 and 4,569.21

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Solution

The fourth proportional to 10,807.74, 16,216.62 and 4,569.21 is: 6,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.74 : 16,216.62 = 4,569.21 : x
  2. Step 2: Convert to fraction form
    10,807.74/16,216.62 = 4,569.21/x
  3. Step 3: Cross multiply
    10,807.74x = 16,216.62 × 4,569.21
  4. Step 4: Simplify right side
    10,807.74x = 74,097,142.27
  5. Step 5: Solve for x
    x = 74,097,142.27/10,807.74
  6. Step 6: Final answer
    x = 6,855.93

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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.