Home / 18,146.57-27,223.70-6,459.75

Finding the Fourth Proportional to 18,146.57, 27,223.70 and 6,459.75

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Solution

The fourth proportional to 18,146.57, 27,223.70 and 6,459.75 is: 9,690.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.57 : 27,223.70 = 6,459.75 : x
  2. Step 2: Convert to fraction form
    18,146.57/27,223.70 = 6,459.75/x
  3. Step 3: Cross multiply
    18,146.57x = 27,223.70 × 6,459.75
  4. Step 4: Simplify right side
    18,146.57x = 175,858,263.78
  5. Step 5: Solve for x
    x = 175,858,263.78/18,146.57
  6. Step 6: Final answer
    x = 9,690.99

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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.