Home / 8,360.06-12,516.85-6,685.64

Finding the Fourth Proportional to 8,360.06, 12,516.85 and 6,685.64

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Solution

The fourth proportional to 8,360.06, 12,516.85 and 6,685.64 is: 10,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.06 : 12,516.85 = 6,685.64 : x
  2. Step 2: Convert to fraction form
    8,360.06/12,516.85 = 6,685.64/x
  3. Step 3: Cross multiply
    8,360.06x = 12,516.85 × 6,685.64
  4. Step 4: Simplify right side
    8,360.06x = 83,683,164.55
  5. Step 5: Solve for x
    x = 83,683,164.55/8,360.06
  6. Step 6: Final answer
    x = 10,009.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.