Home / 12,760.07-19,143.81-5,364.36

Finding the Fourth Proportional to 12,760.07, 19,143.81 and 5,364.36

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Solution

The fourth proportional to 12,760.07, 19,143.81 and 5,364.36 is: 8,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.07 : 19,143.81 = 5,364.36 : x
  2. Step 2: Convert to fraction form
    12,760.07/19,143.81 = 5,364.36/x
  3. Step 3: Cross multiply
    12,760.07x = 19,143.81 × 5,364.36
  4. Step 4: Simplify right side
    12,760.07x = 102,694,288.61
  5. Step 5: Solve for x
    x = 102,694,288.61/12,760.07
  6. Step 6: Final answer
    x = 8,048.10

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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.