Home / 9,940.90-14,911.34-2,545.36

Finding the Fourth Proportional to 9,940.90, 14,911.34 and 2,545.36

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Solution

The fourth proportional to 9,940.90, 14,911.34 and 2,545.36 is: 3,818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.90 : 14,911.34 = 2,545.36 : x
  2. Step 2: Convert to fraction form
    9,940.90/14,911.34 = 2,545.36/x
  3. Step 3: Cross multiply
    9,940.90x = 14,911.34 × 2,545.36
  4. Step 4: Simplify right side
    9,940.90x = 37,954,728.38
  5. Step 5: Solve for x
    x = 37,954,728.38/9,940.90
  6. Step 6: Final answer
    x = 3,818.04

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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.