Home / 12,553.38-18,828.99-4,762.26

Finding the Fourth Proportional to 12,553.38, 18,828.99 and 4,762.26

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Solution

The fourth proportional to 12,553.38, 18,828.99 and 4,762.26 is: 7,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.38 : 18,828.99 = 4,762.26 : x
  2. Step 2: Convert to fraction form
    12,553.38/18,828.99 = 4,762.26/x
  3. Step 3: Cross multiply
    12,553.38x = 18,828.99 × 4,762.26
  4. Step 4: Simplify right side
    12,553.38x = 89,668,545.92
  5. Step 5: Solve for x
    x = 89,668,545.92/12,553.38
  6. Step 6: Final answer
    x = 7,142.98

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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.