Home / 19,291.08-28,942.10-6,144.48

Finding the Fourth Proportional to 19,291.08, 28,942.10 and 6,144.48

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Solution

The fourth proportional to 19,291.08, 28,942.10 and 6,144.48 is: 9,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.08 : 28,942.10 = 6,144.48 : x
  2. Step 2: Convert to fraction form
    19,291.08/28,942.10 = 6,144.48/x
  3. Step 3: Cross multiply
    19,291.08x = 28,942.10 × 6,144.48
  4. Step 4: Simplify right side
    19,291.08x = 177,834,123.89
  5. Step 5: Solve for x
    x = 177,834,123.89/19,291.08
  6. Step 6: Final answer
    x = 9,218.46

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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.