Home / 12,634.74-17,434.26-7,328.79

Finding the Fourth Proportional to 12,634.74, 17,434.26 and 7,328.79

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Solution

The fourth proportional to 12,634.74, 17,434.26 and 7,328.79 is: 10,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.74 : 17,434.26 = 7,328.79 : x
  2. Step 2: Convert to fraction form
    12,634.74/17,434.26 = 7,328.79/x
  3. Step 3: Cross multiply
    12,634.74x = 17,434.26 × 7,328.79
  4. Step 4: Simplify right side
    12,634.74x = 127,772,030.35
  5. Step 5: Solve for x
    x = 127,772,030.35/12,634.74
  6. Step 6: Final answer
    x = 10,112.76

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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.