Home / 13,104.49-18,084.41-7,136.27

Finding the Fourth Proportional to 13,104.49, 18,084.41 and 7,136.27

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Solution

The fourth proportional to 13,104.49, 18,084.41 and 7,136.27 is: 9,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.49 : 18,084.41 = 7,136.27 : x
  2. Step 2: Convert to fraction form
    13,104.49/18,084.41 = 7,136.27/x
  3. Step 3: Cross multiply
    13,104.49x = 18,084.41 × 7,136.27
  4. Step 4: Simplify right side
    13,104.49x = 129,055,268.84
  5. Step 5: Solve for x
    x = 129,055,268.84/13,104.49
  6. Step 6: Final answer
    x = 9,848.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.