Home / 8,683.72-13,011.92-6,714.16

Finding the Fourth Proportional to 8,683.72, 13,011.92 and 6,714.16

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Solution

The fourth proportional to 8,683.72, 13,011.92 and 6,714.16 is: 10,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.72 : 13,011.92 = 6,714.16 : x
  2. Step 2: Convert to fraction form
    8,683.72/13,011.92 = 6,714.16/x
  3. Step 3: Cross multiply
    8,683.72x = 13,011.92 × 6,714.16
  4. Step 4: Simplify right side
    8,683.72x = 87,364,112.79
  5. Step 5: Solve for x
    x = 87,364,112.79/8,683.72
  6. Step 6: Final answer
    x = 10,060.68

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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.