Home / 12,743.87-19,126.76-4,958.15

Finding the Fourth Proportional to 12,743.87, 19,126.76 and 4,958.15

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Solution

The fourth proportional to 12,743.87, 19,126.76 and 4,958.15 is: 7,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.87 : 19,126.76 = 4,958.15 : x
  2. Step 2: Convert to fraction form
    12,743.87/19,126.76 = 4,958.15/x
  3. Step 3: Cross multiply
    12,743.87x = 19,126.76 × 4,958.15
  4. Step 4: Simplify right side
    12,743.87x = 94,833,224.67
  5. Step 5: Solve for x
    x = 94,833,224.67/12,743.87
  6. Step 6: Final answer
    x = 7,441.48

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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.