Home / 11,149.52-15,386.34-6,113.60

Finding the Fourth Proportional to 11,149.52, 15,386.34 and 6,113.60

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Solution

The fourth proportional to 11,149.52, 15,386.34 and 6,113.60 is: 8,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.52 : 15,386.34 = 6,113.60 : x
  2. Step 2: Convert to fraction form
    11,149.52/15,386.34 = 6,113.60/x
  3. Step 3: Cross multiply
    11,149.52x = 15,386.34 × 6,113.60
  4. Step 4: Simplify right side
    11,149.52x = 94,065,928.22
  5. Step 5: Solve for x
    x = 94,065,928.22/11,149.52
  6. Step 6: Final answer
    x = 8,436.77

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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.