Home / 13,019.61-19,527.29-3,660.27

Finding the Fourth Proportional to 13,019.61, 19,527.29 and 3,660.27

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Solution

The fourth proportional to 13,019.61, 19,527.29 and 3,660.27 is: 5,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.61 : 19,527.29 = 3,660.27 : x
  2. Step 2: Convert to fraction form
    13,019.61/19,527.29 = 3,660.27/x
  3. Step 3: Cross multiply
    13,019.61x = 19,527.29 × 3,660.27
  4. Step 4: Simplify right side
    13,019.61x = 71,475,135.47
  5. Step 5: Solve for x
    x = 71,475,135.47/13,019.61
  6. Step 6: Final answer
    x = 5,489.81

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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.