Home / 10,889.52-15,027.12-6,173.68

Finding the Fourth Proportional to 10,889.52, 15,027.12 and 6,173.68

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Solution

The fourth proportional to 10,889.52, 15,027.12 and 6,173.68 is: 8,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.52 : 15,027.12 = 6,173.68 : x
  2. Step 2: Convert to fraction form
    10,889.52/15,027.12 = 6,173.68/x
  3. Step 3: Cross multiply
    10,889.52x = 15,027.12 × 6,173.68
  4. Step 4: Simplify right side
    10,889.52x = 92,772,630.20
  5. Step 5: Solve for x
    x = 92,772,630.20/10,889.52
  6. Step 6: Final answer
    x = 8,519.44

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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.