Home / 11,543.96-15,928.64-6,826.52

Finding the Fourth Proportional to 11,543.96, 15,928.64 and 6,826.52

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Solution

The fourth proportional to 11,543.96, 15,928.64 and 6,826.52 is: 9,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.96 : 15,928.64 = 6,826.52 : x
  2. Step 2: Convert to fraction form
    11,543.96/15,928.64 = 6,826.52/x
  3. Step 3: Cross multiply
    11,543.96x = 15,928.64 × 6,826.52
  4. Step 4: Simplify right side
    11,543.96x = 108,737,065.76
  5. Step 5: Solve for x
    x = 108,737,065.76/11,543.96
  6. Step 6: Final answer
    x = 9,419.39

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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.