Home / 12,846.24-17,730.07-7,470.34

Finding the Fourth Proportional to 12,846.24, 17,730.07 and 7,470.34

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Solution

The fourth proportional to 12,846.24, 17,730.07 and 7,470.34 is: 10,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.24 : 17,730.07 = 7,470.34 : x
  2. Step 2: Convert to fraction form
    12,846.24/17,730.07 = 7,470.34/x
  3. Step 3: Cross multiply
    12,846.24x = 17,730.07 × 7,470.34
  4. Step 4: Simplify right side
    12,846.24x = 132,449,708.86
  5. Step 5: Solve for x
    x = 132,449,708.86/12,846.24
  6. Step 6: Final answer
    x = 10,310.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.