Home / 18,091.95-27,140.55-5,612.98

Finding the Fourth Proportional to 18,091.95, 27,140.55 and 5,612.98

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Solution

The fourth proportional to 18,091.95, 27,140.55 and 5,612.98 is: 8,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.95 : 27,140.55 = 5,612.98 : x
  2. Step 2: Convert to fraction form
    18,091.95/27,140.55 = 5,612.98/x
  3. Step 3: Cross multiply
    18,091.95x = 27,140.55 × 5,612.98
  4. Step 4: Simplify right side
    18,091.95x = 152,339,296.49
  5. Step 5: Solve for x
    x = 152,339,296.49/18,091.95
  6. Step 6: Final answer
    x = 8,420.28

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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.