Home / 9,940.86-14,911.02-2,545.02

Finding the Fourth Proportional to 9,940.86, 14,911.02 and 2,545.02

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Solution

The fourth proportional to 9,940.86, 14,911.02 and 2,545.02 is: 3,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.86 : 14,911.02 = 2,545.02 : x
  2. Step 2: Convert to fraction form
    9,940.86/14,911.02 = 2,545.02/x
  3. Step 3: Cross multiply
    9,940.86x = 14,911.02 × 2,545.02
  4. Step 4: Simplify right side
    9,940.86x = 37,948,844.12
  5. Step 5: Solve for x
    x = 37,948,844.12/9,940.86
  6. Step 6: Final answer
    x = 3,817.46

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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.