Home / 9,114.93-12,579.50-6,136.97

Finding the Fourth Proportional to 9,114.93, 12,579.50 and 6,136.97

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Solution

The fourth proportional to 9,114.93, 12,579.50 and 6,136.97 is: 8,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.93 : 12,579.50 = 6,136.97 : x
  2. Step 2: Convert to fraction form
    9,114.93/12,579.50 = 6,136.97/x
  3. Step 3: Cross multiply
    9,114.93x = 12,579.50 × 6,136.97
  4. Step 4: Simplify right side
    9,114.93x = 77,199,966.56
  5. Step 5: Solve for x
    x = 77,199,966.56/9,114.93
  6. Step 6: Final answer
    x = 8,469.62

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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.