Home / 9,939.78-14,913.45-4,101.30

Finding the Fourth Proportional to 9,939.78, 14,913.45 and 4,101.30

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Solution

The fourth proportional to 9,939.78, 14,913.45 and 4,101.30 is: 6,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.78 : 14,913.45 = 4,101.30 : x
  2. Step 2: Convert to fraction form
    9,939.78/14,913.45 = 4,101.30/x
  3. Step 3: Cross multiply
    9,939.78x = 14,913.45 × 4,101.30
  4. Step 4: Simplify right side
    9,939.78x = 61,164,532.49
  5. Step 5: Solve for x
    x = 61,164,532.49/9,939.78
  6. Step 6: Final answer
    x = 6,153.51

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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.