Home / 18,285.40-25,233.64-10,730.38

Finding the Fourth Proportional to 18,285.40, 25,233.64 and 10,730.38

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Solution

The fourth proportional to 18,285.40, 25,233.64 and 10,730.38 is: 14,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.40 : 25,233.64 = 10,730.38 : x
  2. Step 2: Convert to fraction form
    18,285.40/25,233.64 = 10,730.38/x
  3. Step 3: Cross multiply
    18,285.40x = 25,233.64 × 10,730.38
  4. Step 4: Simplify right side
    18,285.40x = 270,766,545.98
  5. Step 5: Solve for x
    x = 270,766,545.98/18,285.40
  6. Step 6: Final answer
    x = 14,807.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.