Home / 12,574.92-18,862.35-3,214.94

Finding the Fourth Proportional to 12,574.92, 18,862.35 and 3,214.94

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Solution

The fourth proportional to 12,574.92, 18,862.35 and 3,214.94 is: 4,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.92 : 18,862.35 = 3,214.94 : x
  2. Step 2: Convert to fraction form
    12,574.92/18,862.35 = 3,214.94/x
  3. Step 3: Cross multiply
    12,574.92x = 18,862.35 × 3,214.94
  4. Step 4: Simplify right side
    12,574.92x = 60,641,217.14
  5. Step 5: Solve for x
    x = 60,641,217.14/12,574.92
  6. Step 6: Final answer
    x = 4,822.39

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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.