Home / 12,743.08-19,104.55-8,053.18

Finding the Fourth Proportional to 12,743.08, 19,104.55 and 8,053.18

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Solution

The fourth proportional to 12,743.08, 19,104.55 and 8,053.18 is: 12,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.08 : 19,104.55 = 8,053.18 : x
  2. Step 2: Convert to fraction form
    12,743.08/19,104.55 = 8,053.18/x
  3. Step 3: Cross multiply
    12,743.08x = 19,104.55 × 8,053.18
  4. Step 4: Simplify right side
    12,743.08x = 153,852,379.97
  5. Step 5: Solve for x
    x = 153,852,379.97/12,743.08
  6. Step 6: Final answer
    x = 12,073.41

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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.