Home / 12,559.44-18,837.12-3,792.80

Finding the Fourth Proportional to 12,559.44, 18,837.12 and 3,792.80

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Solution

The fourth proportional to 12,559.44, 18,837.12 and 3,792.80 is: 5,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.44 : 18,837.12 = 3,792.80 : x
  2. Step 2: Convert to fraction form
    12,559.44/18,837.12 = 3,792.80/x
  3. Step 3: Cross multiply
    12,559.44x = 18,837.12 × 3,792.80
  4. Step 4: Simplify right side
    12,559.44x = 71,445,428.74
  5. Step 5: Solve for x
    x = 71,445,428.74/12,559.44
  6. Step 6: Final answer
    x = 5,688.58

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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.