Home / 11,390.93-17,050.84-8,392.36

Finding the Fourth Proportional to 11,390.93, 17,050.84 and 8,392.36

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Solution

The fourth proportional to 11,390.93, 17,050.84 and 8,392.36 is: 12,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.93 : 17,050.84 = 8,392.36 : x
  2. Step 2: Convert to fraction form
    11,390.93/17,050.84 = 8,392.36/x
  3. Step 3: Cross multiply
    11,390.93x = 17,050.84 × 8,392.36
  4. Step 4: Simplify right side
    11,390.93x = 143,096,787.58
  5. Step 5: Solve for x
    x = 143,096,787.58/11,390.93
  6. Step 6: Final answer
    x = 12,562.34

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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.