Home / 12,342.36-18,502.50-4,545.72

Finding the Fourth Proportional to 12,342.36, 18,502.50 and 4,545.72

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Solution

The fourth proportional to 12,342.36, 18,502.50 and 4,545.72 is: 6,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.36 : 18,502.50 = 4,545.72 : x
  2. Step 2: Convert to fraction form
    12,342.36/18,502.50 = 4,545.72/x
  3. Step 3: Cross multiply
    12,342.36x = 18,502.50 × 4,545.72
  4. Step 4: Simplify right side
    12,342.36x = 84,107,184.30
  5. Step 5: Solve for x
    x = 84,107,184.30/12,342.36
  6. Step 6: Final answer
    x = 6,814.51

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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.