Home / 13,585.84-20,384.62-7,350.26

Finding the Fourth Proportional to 13,585.84, 20,384.62 and 7,350.26

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Solution

The fourth proportional to 13,585.84, 20,384.62 and 7,350.26 is: 11,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.84 : 20,384.62 = 7,350.26 : x
  2. Step 2: Convert to fraction form
    13,585.84/20,384.62 = 7,350.26/x
  3. Step 3: Cross multiply
    13,585.84x = 20,384.62 × 7,350.26
  4. Step 4: Simplify right side
    13,585.84x = 149,832,257.00
  5. Step 5: Solve for x
    x = 149,832,257.00/13,585.84
  6. Step 6: Final answer
    x = 11,028.56

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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.