Home / 12,766.36-19,139.19-5,741.23

Finding the Fourth Proportional to 12,766.36, 19,139.19 and 5,741.23

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Solution

The fourth proportional to 12,766.36, 19,139.19 and 5,741.23 is: 8,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.36 : 19,139.19 = 5,741.23 : x
  2. Step 2: Convert to fraction form
    12,766.36/19,139.19 = 5,741.23/x
  3. Step 3: Cross multiply
    12,766.36x = 19,139.19 × 5,741.23
  4. Step 4: Simplify right side
    12,766.36x = 109,882,491.80
  5. Step 5: Solve for x
    x = 109,882,491.80/12,766.36
  6. Step 6: Final answer
    x = 8,607.19

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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.