Home / 15,044.94-20,762.73-8,330.85

Finding the Fourth Proportional to 15,044.94, 20,762.73 and 8,330.85

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Solution

The fourth proportional to 15,044.94, 20,762.73 and 8,330.85 is: 11,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.94 : 20,762.73 = 8,330.85 : x
  2. Step 2: Convert to fraction form
    15,044.94/20,762.73 = 8,330.85/x
  3. Step 3: Cross multiply
    15,044.94x = 20,762.73 × 8,330.85
  4. Step 4: Simplify right side
    15,044.94x = 172,971,189.22
  5. Step 5: Solve for x
    x = 172,971,189.22/15,044.94
  6. Step 6: Final answer
    x = 11,496.97

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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.