Home / 12,545.33-18,814.07-4,539.09

Finding the Fourth Proportional to 12,545.33, 18,814.07 and 4,539.09

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Solution

The fourth proportional to 12,545.33, 18,814.07 and 4,539.09 is: 6,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.33 : 18,814.07 = 4,539.09 : x
  2. Step 2: Convert to fraction form
    12,545.33/18,814.07 = 4,539.09/x
  3. Step 3: Cross multiply
    12,545.33x = 18,814.07 × 4,539.09
  4. Step 4: Simplify right side
    12,545.33x = 85,398,733.07
  5. Step 5: Solve for x
    x = 85,398,733.07/12,545.33
  6. Step 6: Final answer
    x = 6,807.21

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1.5x scale

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.