Home / 8,953.20-13,427.37-7,481.84

Finding the Fourth Proportional to 8,953.20, 13,427.37 and 7,481.84

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Solution

The fourth proportional to 8,953.20, 13,427.37 and 7,481.84 is: 11,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.20 : 13,427.37 = 7,481.84 : x
  2. Step 2: Convert to fraction form
    8,953.20/13,427.37 = 7,481.84/x
  3. Step 3: Cross multiply
    8,953.20x = 13,427.37 × 7,481.84
  4. Step 4: Simplify right side
    8,953.20x = 100,461,366.82
  5. Step 5: Solve for x
    x = 100,461,366.82/8,953.20
  6. Step 6: Final answer
    x = 11,220.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.