Home / 18,140.93-27,211.55-4,994.02

Finding the Fourth Proportional to 18,140.93, 27,211.55 and 4,994.02

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Solution

The fourth proportional to 18,140.93, 27,211.55 and 4,994.02 is: 7,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.93 : 27,211.55 = 4,994.02 : x
  2. Step 2: Convert to fraction form
    18,140.93/27,211.55 = 4,994.02/x
  3. Step 3: Cross multiply
    18,140.93x = 27,211.55 × 4,994.02
  4. Step 4: Simplify right side
    18,140.93x = 135,895,033.98
  5. Step 5: Solve for x
    x = 135,895,033.98/18,140.93
  6. Step 6: Final answer
    x = 7,491.07

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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.