Home / 11,299.81-15,594.14-6,822.70

Finding the Fourth Proportional to 11,299.81, 15,594.14 and 6,822.70

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Solution

The fourth proportional to 11,299.81, 15,594.14 and 6,822.70 is: 9,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.81 : 15,594.14 = 6,822.70 : x
  2. Step 2: Convert to fraction form
    11,299.81/15,594.14 = 6,822.70/x
  3. Step 3: Cross multiply
    11,299.81x = 15,594.14 × 6,822.70
  4. Step 4: Simplify right side
    11,299.81x = 106,394,138.98
  5. Step 5: Solve for x
    x = 106,394,138.98/11,299.81
  6. Step 6: Final answer
    x = 9,415.57

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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.