Home / 12,763.44-19,125.62-8,587.98

Finding the Fourth Proportional to 12,763.44, 19,125.62 and 8,587.98

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Solution

The fourth proportional to 12,763.44, 19,125.62 and 8,587.98 is: 12,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.44 : 19,125.62 = 8,587.98 : x
  2. Step 2: Convert to fraction form
    12,763.44/19,125.62 = 8,587.98/x
  3. Step 3: Cross multiply
    12,763.44x = 19,125.62 × 8,587.98
  4. Step 4: Simplify right side
    12,763.44x = 164,250,442.05
  5. Step 5: Solve for x
    x = 164,250,442.05/12,763.44
  6. Step 6: Final answer
    x = 12,868.82

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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.