Home / 12,707.28-19,064.16-6,863.94

Finding the Fourth Proportional to 12,707.28, 19,064.16 and 6,863.94

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Solution

The fourth proportional to 12,707.28, 19,064.16 and 6,863.94 is: 10,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.28 : 19,064.16 = 6,863.94 : x
  2. Step 2: Convert to fraction form
    12,707.28/19,064.16 = 6,863.94/x
  3. Step 3: Cross multiply
    12,707.28x = 19,064.16 × 6,863.94
  4. Step 4: Simplify right side
    12,707.28x = 130,855,250.39
  5. Step 5: Solve for x
    x = 130,855,250.39/12,707.28
  6. Step 6: Final answer
    x = 10,297.66

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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.