Home / 13,046.85-19,569.23-3,686.49

Finding the Fourth Proportional to 13,046.85, 19,569.23 and 3,686.49

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Solution

The fourth proportional to 13,046.85, 19,569.23 and 3,686.49 is: 5,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.85 : 19,569.23 = 3,686.49 : x
  2. Step 2: Convert to fraction form
    13,046.85/19,569.23 = 3,686.49/x
  3. Step 3: Cross multiply
    13,046.85x = 19,569.23 × 3,686.49
  4. Step 4: Simplify right side
    13,046.85x = 72,141,766.09
  5. Step 5: Solve for x
    x = 72,141,766.09/13,046.85
  6. Step 6: Final answer
    x = 5,529.44

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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.