Home / 8,708.16-12,015.36-6,351.60

Finding the Fourth Proportional to 8,708.16, 12,015.36 and 6,351.60

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Solution

The fourth proportional to 8,708.16, 12,015.36 and 6,351.60 is: 8,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.16 : 12,015.36 = 6,351.60 : x
  2. Step 2: Convert to fraction form
    8,708.16/12,015.36 = 6,351.60/x
  3. Step 3: Cross multiply
    8,708.16x = 12,015.36 × 6,351.60
  4. Step 4: Simplify right side
    8,708.16x = 76,316,760.58
  5. Step 5: Solve for x
    x = 76,316,760.58/8,708.16
  6. Step 6: Final answer
    x = 8,763.82

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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.