Home / 9,864.92-13,611.35-5,885.25

Finding the Fourth Proportional to 9,864.92, 13,611.35 and 5,885.25

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Solution

The fourth proportional to 9,864.92, 13,611.35 and 5,885.25 is: 8,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.92 : 13,611.35 = 5,885.25 : x
  2. Step 2: Convert to fraction form
    9,864.92/13,611.35 = 5,885.25/x
  3. Step 3: Cross multiply
    9,864.92x = 13,611.35 × 5,885.25
  4. Step 4: Simplify right side
    9,864.92x = 80,106,168.16
  5. Step 5: Solve for x
    x = 80,106,168.16/9,864.92
  6. Step 6: Final answer
    x = 8,120.31

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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.