Home / 18,926.20-28,393.26-6,445.24

Finding the Fourth Proportional to 18,926.20, 28,393.26 and 6,445.24

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Solution

The fourth proportional to 18,926.20, 28,393.26 and 6,445.24 is: 9,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.20 : 28,393.26 = 6,445.24 : x
  2. Step 2: Convert to fraction form
    18,926.20/28,393.26 = 6,445.24/x
  3. Step 3: Cross multiply
    18,926.20x = 28,393.26 × 6,445.24
  4. Step 4: Simplify right side
    18,926.20x = 183,001,375.08
  5. Step 5: Solve for x
    x = 183,001,375.08/18,926.20
  6. Step 6: Final answer
    x = 9,669.21

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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.