Home / 12,362.64-18,545.72-3,814.81

Finding the Fourth Proportional to 12,362.64, 18,545.72 and 3,814.81

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Solution

The fourth proportional to 12,362.64, 18,545.72 and 3,814.81 is: 5,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.64 : 18,545.72 = 3,814.81 : x
  2. Step 2: Convert to fraction form
    12,362.64/18,545.72 = 3,814.81/x
  3. Step 3: Cross multiply
    12,362.64x = 18,545.72 × 3,814.81
  4. Step 4: Simplify right side
    12,362.64x = 70,748,305.38
  5. Step 5: Solve for x
    x = 70,748,305.38/12,362.64
  6. Step 6: Final answer
    x = 5,722.75

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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.