Home / 12,717.63-17,555.00-9,568.35

Finding the Fourth Proportional to 12,717.63, 17,555.00 and 9,568.35

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Solution

The fourth proportional to 12,717.63, 17,555.00 and 9,568.35 is: 13,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.63 : 17,555.00 = 9,568.35 : x
  2. Step 2: Convert to fraction form
    12,717.63/17,555.00 = 9,568.35/x
  3. Step 3: Cross multiply
    12,717.63x = 17,555.00 × 9,568.35
  4. Step 4: Simplify right side
    12,717.63x = 167,972,336.41
  5. Step 5: Solve for x
    x = 167,972,336.41/12,717.63
  6. Step 6: Final answer
    x = 13,207.83

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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.