Home / 9,328.62-12,873.48-5,136.84

Finding the Fourth Proportional to 9,328.62, 12,873.48 and 5,136.84

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Solution

The fourth proportional to 9,328.62, 12,873.48 and 5,136.84 is: 7,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.62 : 12,873.48 = 5,136.84 : x
  2. Step 2: Convert to fraction form
    9,328.62/12,873.48 = 5,136.84/x
  3. Step 3: Cross multiply
    9,328.62x = 12,873.48 × 5,136.84
  4. Step 4: Simplify right side
    9,328.62x = 66,129,007.00
  5. Step 5: Solve for x
    x = 66,129,007.00/9,328.62
  6. Step 6: Final answer
    x = 7,088.83

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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.