Home / 19,269.54-28,907.40-8,176.32

Finding the Fourth Proportional to 19,269.54, 28,907.40 and 8,176.32

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Solution

The fourth proportional to 19,269.54, 28,907.40 and 8,176.32 is: 12,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.54 : 28,907.40 = 8,176.32 : x
  2. Step 2: Convert to fraction form
    19,269.54/28,907.40 = 8,176.32/x
  3. Step 3: Cross multiply
    19,269.54x = 28,907.40 × 8,176.32
  4. Step 4: Simplify right side
    19,269.54x = 236,356,152.77
  5. Step 5: Solve for x
    x = 236,356,152.77/19,269.54
  6. Step 6: Final answer
    x = 12,265.79

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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.