Home / 12,624.77-17,422.31-6,959.63

Finding the Fourth Proportional to 12,624.77, 17,422.31 and 6,959.63

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Solution

The fourth proportional to 12,624.77, 17,422.31 and 6,959.63 is: 9,604.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.77 : 17,422.31 = 6,959.63 : x
  2. Step 2: Convert to fraction form
    12,624.77/17,422.31 = 6,959.63/x
  3. Step 3: Cross multiply
    12,624.77x = 17,422.31 × 6,959.63
  4. Step 4: Simplify right side
    12,624.77x = 121,252,831.35
  5. Step 5: Solve for x
    x = 121,252,831.35/12,624.77
  6. Step 6: Final answer
    x = 9,604.36

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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.