Home / 12,361.14-18,528.75-9,069.30

Finding the Fourth Proportional to 12,361.14, 18,528.75 and 9,069.30

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Solution

The fourth proportional to 12,361.14, 18,528.75 and 9,069.30 is: 13,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.14 : 18,528.75 = 9,069.30 : x
  2. Step 2: Convert to fraction form
    12,361.14/18,528.75 = 9,069.30/x
  3. Step 3: Cross multiply
    12,361.14x = 18,528.75 × 9,069.30
  4. Step 4: Simplify right side
    12,361.14x = 168,042,792.38
  5. Step 5: Solve for x
    x = 168,042,792.38/12,361.14
  6. Step 6: Final answer
    x = 13,594.44

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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.