Home / 19,257.32-28,890.84-8,876.36

Finding the Fourth Proportional to 19,257.32, 28,890.84 and 8,876.36

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Solution

The fourth proportional to 19,257.32, 28,890.84 and 8,876.36 is: 13,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.32 : 28,890.84 = 8,876.36 : x
  2. Step 2: Convert to fraction form
    19,257.32/28,890.84 = 8,876.36/x
  3. Step 3: Cross multiply
    19,257.32x = 28,890.84 × 8,876.36
  4. Step 4: Simplify right side
    19,257.32x = 256,445,496.54
  5. Step 5: Solve for x
    x = 256,445,496.54/19,257.32
  6. Step 6: Final answer
    x = 13,316.78

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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.