Home / 11,113.11-15,336.11-6,077.32

Finding the Fourth Proportional to 11,113.11, 15,336.11 and 6,077.32

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Solution

The fourth proportional to 11,113.11, 15,336.11 and 6,077.32 is: 8,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.11 : 15,336.11 = 6,077.32 : x
  2. Step 2: Convert to fraction form
    11,113.11/15,336.11 = 6,077.32/x
  3. Step 3: Cross multiply
    11,113.11x = 15,336.11 × 6,077.32
  4. Step 4: Simplify right side
    11,113.11x = 93,202,390.69
  5. Step 5: Solve for x
    x = 93,202,390.69/11,113.11
  6. Step 6: Final answer
    x = 8,386.71

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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.