Home / 19,291.89-28,939.88-6,141.18

Finding the Fourth Proportional to 19,291.89, 28,939.88 and 6,141.18

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Solution

The fourth proportional to 19,291.89, 28,939.88 and 6,141.18 is: 9,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.89 : 28,939.88 = 6,141.18 : x
  2. Step 2: Convert to fraction form
    19,291.89/28,939.88 = 6,141.18/x
  3. Step 3: Cross multiply
    19,291.89x = 28,939.88 × 6,141.18
  4. Step 4: Simplify right side
    19,291.89x = 177,724,981.55
  5. Step 5: Solve for x
    x = 177,724,981.55/19,291.89
  6. Step 6: Final answer
    x = 9,212.42

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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.