Home / 9,327.72-12,868.16-6,136.91

Finding the Fourth Proportional to 9,327.72, 12,868.16 and 6,136.91

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Solution

The fourth proportional to 9,327.72, 12,868.16 and 6,136.91 is: 8,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.72 : 12,868.16 = 6,136.91 : x
  2. Step 2: Convert to fraction form
    9,327.72/12,868.16 = 6,136.91/x
  3. Step 3: Cross multiply
    9,327.72x = 12,868.16 × 6,136.91
  4. Step 4: Simplify right side
    9,327.72x = 78,970,739.79
  5. Step 5: Solve for x
    x = 78,970,739.79/9,327.72
  6. Step 6: Final answer
    x = 8,466.25

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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.