Home / 12,845.26-19,270.86-4,948.90

Finding the Fourth Proportional to 12,845.26, 19,270.86 and 4,948.90

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Solution

The fourth proportional to 12,845.26, 19,270.86 and 4,948.90 is: 7,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.26 : 19,270.86 = 4,948.90 : x
  2. Step 2: Convert to fraction form
    12,845.26/19,270.86 = 4,948.90/x
  3. Step 3: Cross multiply
    12,845.26x = 19,270.86 × 4,948.90
  4. Step 4: Simplify right side
    12,845.26x = 95,369,559.05
  5. Step 5: Solve for x
    x = 95,369,559.05/12,845.26
  6. Step 6: Final answer
    x = 7,424.49

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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.