Home / 12,028.42-18,045.06-4,237.30

Finding the Fourth Proportional to 12,028.42, 18,045.06 and 4,237.30

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Solution

The fourth proportional to 12,028.42, 18,045.06 and 4,237.30 is: 6,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.42 : 18,045.06 = 4,237.30 : x
  2. Step 2: Convert to fraction form
    12,028.42/18,045.06 = 4,237.30/x
  3. Step 3: Cross multiply
    12,028.42x = 18,045.06 × 4,237.30
  4. Step 4: Simplify right side
    12,028.42x = 76,462,332.74
  5. Step 5: Solve for x
    x = 76,462,332.74/12,028.42
  6. Step 6: Final answer
    x = 6,356.81

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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.