Home / 12,768.23-19,141.99-5,743.10

Finding the Fourth Proportional to 12,768.23, 19,141.99 and 5,743.10

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Solution

The fourth proportional to 12,768.23, 19,141.99 and 5,743.10 is: 8,609.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.23 : 19,141.99 = 5,743.10 : x
  2. Step 2: Convert to fraction form
    12,768.23/19,141.99 = 5,743.10/x
  3. Step 3: Cross multiply
    12,768.23x = 19,141.99 × 5,743.10
  4. Step 4: Simplify right side
    12,768.23x = 109,934,362.77
  5. Step 5: Solve for x
    x = 109,934,362.77/12,768.23
  6. Step 6: Final answer
    x = 8,609.99

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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.