Home / 12,702.06-17,516.79-9,718.02

Finding the Fourth Proportional to 12,702.06, 17,516.79 and 9,718.02

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Solution

The fourth proportional to 12,702.06, 17,516.79 and 9,718.02 is: 13,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.06 : 17,516.79 = 9,718.02 : x
  2. Step 2: Convert to fraction form
    12,702.06/17,516.79 = 9,718.02/x
  3. Step 3: Cross multiply
    12,702.06x = 17,516.79 × 9,718.02
  4. Step 4: Simplify right side
    12,702.06x = 170,228,515.56
  5. Step 5: Solve for x
    x = 170,228,515.56/12,702.06
  6. Step 6: Final answer
    x = 13,401.65

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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.