Home / 15,524.10-21,423.48-8,450.52

Finding the Fourth Proportional to 15,524.10, 21,423.48 and 8,450.52

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Solution

The fourth proportional to 15,524.10, 21,423.48 and 8,450.52 is: 11,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.10 : 21,423.48 = 8,450.52 : x
  2. Step 2: Convert to fraction form
    15,524.10/21,423.48 = 8,450.52/x
  3. Step 3: Cross multiply
    15,524.10x = 21,423.48 × 8,450.52
  4. Step 4: Simplify right side
    15,524.10x = 181,039,546.21
  5. Step 5: Solve for x
    x = 181,039,546.21/15,524.10
  6. Step 6: Final answer
    x = 11,661.84

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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.