Home / 12,745.40-19,125.18-4,853.16

Finding the Fourth Proportional to 12,745.40, 19,125.18 and 4,853.16

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Solution

The fourth proportional to 12,745.40, 19,125.18 and 4,853.16 is: 7,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.40 : 19,125.18 = 4,853.16 : x
  2. Step 2: Convert to fraction form
    12,745.40/19,125.18 = 4,853.16/x
  3. Step 3: Cross multiply
    12,745.40x = 19,125.18 × 4,853.16
  4. Step 4: Simplify right side
    12,745.40x = 92,817,558.57
  5. Step 5: Solve for x
    x = 92,817,558.57/12,745.40
  6. Step 6: Final answer
    x = 7,282.44

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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.