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Finding the Fourth Proportional to 18,597.24, 27,899.97 and 6,116.76

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Solution

The fourth proportional to 18,597.24, 27,899.97 and 6,116.76 is: 9,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.24 : 27,899.97 = 6,116.76 : x
  2. Step 2: Convert to fraction form
    18,597.24/27,899.97 = 6,116.76/x
  3. Step 3: Cross multiply
    18,597.24x = 27,899.97 × 6,116.76
  4. Step 4: Simplify right side
    18,597.24x = 170,657,420.50
  5. Step 5: Solve for x
    x = 170,657,420.50/18,597.24
  6. Step 6: Final answer
    x = 9,176.49

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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.