Home / 9,328.44-12,873.22-5,136.69

Finding the Fourth Proportional to 9,328.44, 12,873.22 and 5,136.69

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Solution

The fourth proportional to 9,328.44, 12,873.22 and 5,136.69 is: 7,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.44 : 12,873.22 = 5,136.69 : x
  2. Step 2: Convert to fraction form
    9,328.44/12,873.22 = 5,136.69/x
  3. Step 3: Cross multiply
    9,328.44x = 12,873.22 × 5,136.69
  4. Step 4: Simplify right side
    9,328.44x = 66,125,727.60
  5. Step 5: Solve for x
    x = 66,125,727.60/9,328.44
  6. Step 6: Final answer
    x = 7,088.62

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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.