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Finding the Fourth Proportional to 18,014.80, 27,030.30 and 6,336.40

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Solution

The fourth proportional to 18,014.80, 27,030.30 and 6,336.40 is: 9,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.80 : 27,030.30 = 6,336.40 : x
  2. Step 2: Convert to fraction form
    18,014.80/27,030.30 = 6,336.40/x
  3. Step 3: Cross multiply
    18,014.80x = 27,030.30 × 6,336.40
  4. Step 4: Simplify right side
    18,014.80x = 171,274,792.92
  5. Step 5: Solve for x
    x = 171,274,792.92/18,014.80
  6. Step 6: Final answer
    x = 9,507.45

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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.