Home / 12,719.24-19,079.06-3,360.22

Finding the Fourth Proportional to 12,719.24, 19,079.06 and 3,360.22

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Solution

The fourth proportional to 12,719.24, 19,079.06 and 3,360.22 is: 5,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,719.24 : 19,079.06 = 3,360.22 : x
  2. Step 2: Convert to fraction form
    12,719.24/19,079.06 = 3,360.22/x
  3. Step 3: Cross multiply
    12,719.24x = 19,079.06 × 3,360.22
  4. Step 4: Simplify right side
    12,719.24x = 64,109,838.99
  5. Step 5: Solve for x
    x = 64,109,838.99/12,719.24
  6. Step 6: Final answer
    x = 5,040.38

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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.