Home / 9,328.26-12,872.99-5,136.51

Finding the Fourth Proportional to 9,328.26, 12,872.99 and 5,136.51

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Solution

The fourth proportional to 9,328.26, 12,872.99 and 5,136.51 is: 7,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.26 : 12,872.99 = 5,136.51 : x
  2. Step 2: Convert to fraction form
    9,328.26/12,872.99 = 5,136.51/x
  3. Step 3: Cross multiply
    9,328.26x = 12,872.99 × 5,136.51
  4. Step 4: Simplify right side
    9,328.26x = 66,122,241.86
  5. Step 5: Solve for x
    x = 66,122,241.86/9,328.26
  6. Step 6: Final answer
    x = 7,088.38

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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.