Home / 12,983.57-19,475.34-3,122.84

Finding the Fourth Proportional to 12,983.57, 19,475.34 and 3,122.84

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Solution

The fourth proportional to 12,983.57, 19,475.34 and 3,122.84 is: 4,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.57 : 19,475.34 = 3,122.84 : x
  2. Step 2: Convert to fraction form
    12,983.57/19,475.34 = 3,122.84/x
  3. Step 3: Cross multiply
    12,983.57x = 19,475.34 × 3,122.84
  4. Step 4: Simplify right side
    12,983.57x = 60,818,370.77
  5. Step 5: Solve for x
    x = 60,818,370.77/12,983.57
  6. Step 6: Final answer
    x = 4,684.26

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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.