Home / 12,057.72-18,082.86-4,264.74

Finding the Fourth Proportional to 12,057.72, 18,082.86 and 4,264.74

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Solution

The fourth proportional to 12,057.72, 18,082.86 and 4,264.74 is: 6,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.72 : 18,082.86 = 4,264.74 : x
  2. Step 2: Convert to fraction form
    12,057.72/18,082.86 = 4,264.74/x
  3. Step 3: Cross multiply
    12,057.72x = 18,082.86 × 4,264.74
  4. Step 4: Simplify right side
    12,057.72x = 77,118,696.36
  5. Step 5: Solve for x
    x = 77,118,696.36/12,057.72
  6. Step 6: Final answer
    x = 6,395.79

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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.