Home / 10,048.89-13,869.54-6,691.86

Finding the Fourth Proportional to 10,048.89, 13,869.54 and 6,691.86

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Solution

The fourth proportional to 10,048.89, 13,869.54 and 6,691.86 is: 9,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048.89 : 13,869.54 = 6,691.86 : x
  2. Step 2: Convert to fraction form
    10,048.89/13,869.54 = 6,691.86/x
  3. Step 3: Cross multiply
    10,048.89x = 13,869.54 × 6,691.86
  4. Step 4: Simplify right side
    10,048.89x = 92,813,019.94
  5. Step 5: Solve for x
    x = 92,813,019.94/10,048.89
  6. Step 6: Final answer
    x = 9,236.15

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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.