Home / 9,913.19-13,680.50-5,936.49

Finding the Fourth Proportional to 9,913.19, 13,680.50 and 5,936.49

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Solution

The fourth proportional to 9,913.19, 13,680.50 and 5,936.49 is: 8,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.19 : 13,680.50 = 5,936.49 : x
  2. Step 2: Convert to fraction form
    9,913.19/13,680.50 = 5,936.49/x
  3. Step 3: Cross multiply
    9,913.19x = 13,680.50 × 5,936.49
  4. Step 4: Simplify right side
    9,913.19x = 81,214,121.76
  5. Step 5: Solve for x
    x = 81,214,121.76/9,913.19
  6. Step 6: Final answer
    x = 8,192.54

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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.