Home / 11,184.75-16,777.08-8,721.41

Finding the Fourth Proportional to 11,184.75, 16,777.08 and 8,721.41

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Solution

The fourth proportional to 11,184.75, 16,777.08 and 8,721.41 is: 13,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.75 : 16,777.08 = 8,721.41 : x
  2. Step 2: Convert to fraction form
    11,184.75/16,777.08 = 8,721.41/x
  3. Step 3: Cross multiply
    11,184.75x = 16,777.08 × 8,721.41
  4. Step 4: Simplify right side
    11,184.75x = 146,319,709.40
  5. Step 5: Solve for x
    x = 146,319,709.40/11,184.75
  6. Step 6: Final answer
    x = 13,082.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.