Home / 19,171.19-28,761.11-5,845.35

Finding the Fourth Proportional to 19,171.19, 28,761.11 and 5,845.35

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Solution

The fourth proportional to 19,171.19, 28,761.11 and 5,845.35 is: 8,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.19 : 28,761.11 = 5,845.35 : x
  2. Step 2: Convert to fraction form
    19,171.19/28,761.11 = 5,845.35/x
  3. Step 3: Cross multiply
    19,171.19x = 28,761.11 × 5,845.35
  4. Step 4: Simplify right side
    19,171.19x = 168,118,725.11
  5. Step 5: Solve for x
    x = 168,118,725.11/19,171.19
  6. Step 6: Final answer
    x = 8,769.34

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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.