Home / 11,113.60-15,336.24-6,077.92

Finding the Fourth Proportional to 11,113.60, 15,336.24 and 6,077.92

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Solution

The fourth proportional to 11,113.60, 15,336.24 and 6,077.92 is: 8,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.60 : 15,336.24 = 6,077.92 : x
  2. Step 2: Convert to fraction form
    11,113.60/15,336.24 = 6,077.92/x
  3. Step 3: Cross multiply
    11,113.60x = 15,336.24 × 6,077.92
  4. Step 4: Simplify right side
    11,113.60x = 93,212,439.82
  5. Step 5: Solve for x
    x = 93,212,439.82/11,113.60
  6. Step 6: Final answer
    x = 8,387.24

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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.