Home / 12,523.51-18,780.63-3,755.44

Finding the Fourth Proportional to 12,523.51, 18,780.63 and 3,755.44

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Solution

The fourth proportional to 12,523.51, 18,780.63 and 3,755.44 is: 5,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.51 : 18,780.63 = 3,755.44 : x
  2. Step 2: Convert to fraction form
    12,523.51/18,780.63 = 3,755.44/x
  3. Step 3: Cross multiply
    12,523.51x = 18,780.63 × 3,755.44
  4. Step 4: Simplify right side
    12,523.51x = 70,529,529.13
  5. Step 5: Solve for x
    x = 70,529,529.13/12,523.51
  6. Step 6: Final answer
    x = 5,631.77

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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.