Home / 12,862.56-19,295.20-4,095.42

Finding the Fourth Proportional to 12,862.56, 19,295.20 and 4,095.42

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Solution

The fourth proportional to 12,862.56, 19,295.20 and 4,095.42 is: 6,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.56 : 19,295.20 = 4,095.42 : x
  2. Step 2: Convert to fraction form
    12,862.56/19,295.20 = 4,095.42/x
  3. Step 3: Cross multiply
    12,862.56x = 19,295.20 × 4,095.42
  4. Step 4: Simplify right side
    12,862.56x = 79,021,947.98
  5. Step 5: Solve for x
    x = 79,021,947.98/12,862.56
  6. Step 6: Final answer
    x = 6,143.56

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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.