Home / 12,717.44-17,539.66-8,953.06

Finding the Fourth Proportional to 12,717.44, 17,539.66 and 8,953.06

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Solution

The fourth proportional to 12,717.44, 17,539.66 and 8,953.06 is: 12,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.44 : 17,539.66 = 8,953.06 : x
  2. Step 2: Convert to fraction form
    12,717.44/17,539.66 = 8,953.06/x
  3. Step 3: Cross multiply
    12,717.44x = 17,539.66 × 8,953.06
  4. Step 4: Simplify right side
    12,717.44x = 157,033,628.36
  5. Step 5: Solve for x
    x = 157,033,628.36/12,717.44
  6. Step 6: Final answer
    x = 12,347.90

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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.