Home / 18,736.79-28,108.62-6,255.63

Finding the Fourth Proportional to 18,736.79, 28,108.62 and 6,255.63

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Solution

The fourth proportional to 18,736.79, 28,108.62 and 6,255.63 is: 9,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.79 : 28,108.62 = 6,255.63 : x
  2. Step 2: Convert to fraction form
    18,736.79/28,108.62 = 6,255.63/x
  3. Step 3: Cross multiply
    18,736.79x = 28,108.62 × 6,255.63
  4. Step 4: Simplify right side
    18,736.79x = 175,837,126.53
  5. Step 5: Solve for x
    x = 175,837,126.53/18,736.79
  6. Step 6: Final answer
    x = 9,384.59

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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.