Home / 18,126.23-27,188.13-4,977.50

Finding the Fourth Proportional to 18,126.23, 27,188.13 and 4,977.50

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Solution

The fourth proportional to 18,126.23, 27,188.13 and 4,977.50 is: 7,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.23 : 27,188.13 = 4,977.50 : x
  2. Step 2: Convert to fraction form
    18,126.23/27,188.13 = 4,977.50/x
  3. Step 3: Cross multiply
    18,126.23x = 27,188.13 × 4,977.50
  4. Step 4: Simplify right side
    18,126.23x = 135,328,917.08
  5. Step 5: Solve for x
    x = 135,328,917.08/18,126.23
  6. Step 6: Final answer
    x = 7,465.92

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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.