Home / 18,011.93-27,014.25-4,861.23

Finding the Fourth Proportional to 18,011.93, 27,014.25 and 4,861.23

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Solution

The fourth proportional to 18,011.93, 27,014.25 and 4,861.23 is: 7,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.93 : 27,014.25 = 4,861.23 : x
  2. Step 2: Convert to fraction form
    18,011.93/27,014.25 = 4,861.23/x
  3. Step 3: Cross multiply
    18,011.93x = 27,014.25 × 4,861.23
  4. Step 4: Simplify right side
    18,011.93x = 131,322,482.53
  5. Step 5: Solve for x
    x = 131,322,482.53/18,011.93
  6. Step 6: Final answer
    x = 7,290.86

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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.