Home / 12,718.24-19,077.56-3,359.22

Finding the Fourth Proportional to 12,718.24, 19,077.56 and 3,359.22

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Solution

The fourth proportional to 12,718.24, 19,077.56 and 3,359.22 is: 5,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.24 : 19,077.56 = 3,359.22 : x
  2. Step 2: Convert to fraction form
    12,718.24/19,077.56 = 3,359.22/x
  3. Step 3: Cross multiply
    12,718.24x = 19,077.56 × 3,359.22
  4. Step 4: Simplify right side
    12,718.24x = 64,085,645.36
  5. Step 5: Solve for x
    x = 64,085,645.36/12,718.24
  6. Step 6: Final answer
    x = 5,038.88

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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.