Home / 9,865.92-13,611.66-6,510.36

Finding the Fourth Proportional to 9,865.92, 13,611.66 and 6,510.36

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Solution

The fourth proportional to 9,865.92, 13,611.66 and 6,510.36 is: 8,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.92 : 13,611.66 = 6,510.36 : x
  2. Step 2: Convert to fraction form
    9,865.92/13,611.66 = 6,510.36/x
  3. Step 3: Cross multiply
    9,865.92x = 13,611.66 × 6,510.36
  4. Step 4: Simplify right side
    9,865.92x = 88,616,806.80
  5. Step 5: Solve for x
    x = 88,616,806.80/9,865.92
  6. Step 6: Final answer
    x = 8,982.11

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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.