Home / 12,028.56-18,041.13-4,130.95

Finding the Fourth Proportional to 12,028.56, 18,041.13 and 4,130.95

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Solution

The fourth proportional to 12,028.56, 18,041.13 and 4,130.95 is: 6,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.56 : 18,041.13 = 4,130.95 : x
  2. Step 2: Convert to fraction form
    12,028.56/18,041.13 = 4,130.95/x
  3. Step 3: Cross multiply
    12,028.56x = 18,041.13 × 4,130.95
  4. Step 4: Simplify right side
    12,028.56x = 74,526,901.16
  5. Step 5: Solve for x
    x = 74,526,901.16/12,028.56
  6. Step 6: Final answer
    x = 6,195.83

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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.