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Finding the Fourth Proportional to 18,110.94, 27,159.93 and 9,797.10

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Solution

The fourth proportional to 18,110.94, 27,159.93 and 9,797.10 is: 14,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.94 : 27,159.93 = 9,797.10 : x
  2. Step 2: Convert to fraction form
    18,110.94/27,159.93 = 9,797.10/x
  3. Step 3: Cross multiply
    18,110.94x = 27,159.93 × 9,797.10
  4. Step 4: Simplify right side
    18,110.94x = 266,088,550.20
  5. Step 5: Solve for x
    x = 266,088,550.20/18,110.94
  6. Step 6: Final answer
    x = 14,692.14

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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.