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Finding the Fourth Proportional to 9,184.78, 12,652.50 and 6,659.47

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Solution

The fourth proportional to 9,184.78, 12,652.50 and 6,659.47 is: 9,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.78 : 12,652.50 = 6,659.47 : x
  2. Step 2: Convert to fraction form
    9,184.78/12,652.50 = 6,659.47/x
  3. Step 3: Cross multiply
    9,184.78x = 12,652.50 × 6,659.47
  4. Step 4: Simplify right side
    9,184.78x = 84,258,944.18
  5. Step 5: Solve for x
    x = 84,258,944.18/9,184.78
  6. Step 6: Final answer
    x = 9,173.76

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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.