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Finding the Fourth Proportional to 12,064.95, 18,086.22 and 4,674.24

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Solution

The fourth proportional to 12,064.95, 18,086.22 and 4,674.24 is: 7,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.95 : 18,086.22 = 4,674.24 : x
  2. Step 2: Convert to fraction form
    12,064.95/18,086.22 = 4,674.24/x
  3. Step 3: Cross multiply
    12,064.95x = 18,086.22 × 4,674.24
  4. Step 4: Simplify right side
    12,064.95x = 84,539,332.97
  5. Step 5: Solve for x
    x = 84,539,332.97/12,064.95
  6. Step 6: Final answer
    x = 7,007.02

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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.