Home / 8,946.93-12,310.61-8,717.97

Finding the Fourth Proportional to 8,946.93, 12,310.61 and 8,717.97

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Solution

The fourth proportional to 8,946.93, 12,310.61 and 8,717.97 is: 11,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.93 : 12,310.61 = 8,717.97 : x
  2. Step 2: Convert to fraction form
    8,946.93/12,310.61 = 8,717.97/x
  3. Step 3: Cross multiply
    8,946.93x = 12,310.61 × 8,717.97
  4. Step 4: Simplify right side
    8,946.93x = 107,323,485.07
  5. Step 5: Solve for x
    x = 107,323,485.07/8,946.93
  6. Step 6: Final answer
    x = 11,995.57

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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.