Home / 12,717.64-19,077.72-4,396.56

Finding the Fourth Proportional to 12,717.64, 19,077.72 and 4,396.56

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Solution

The fourth proportional to 12,717.64, 19,077.72 and 4,396.56 is: 6,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.64 : 19,077.72 = 4,396.56 : x
  2. Step 2: Convert to fraction form
    12,717.64/19,077.72 = 4,396.56/x
  3. Step 3: Cross multiply
    12,717.64x = 19,077.72 × 4,396.56
  4. Step 4: Simplify right side
    12,717.64x = 83,876,340.64
  5. Step 5: Solve for x
    x = 83,876,340.64/12,717.64
  6. Step 6: Final answer
    x = 6,595.28

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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.