Home / 18,532.45-27,790.44-13,316.46

Finding the Fourth Proportional to 18,532.45, 27,790.44 and 13,316.46

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Solution

The fourth proportional to 18,532.45, 27,790.44 and 13,316.46 is: 19,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.45 : 27,790.44 = 13,316.46 : x
  2. Step 2: Convert to fraction form
    18,532.45/27,790.44 = 13,316.46/x
  3. Step 3: Cross multiply
    18,532.45x = 27,790.44 × 13,316.46
  4. Step 4: Simplify right side
    18,532.45x = 370,070,282.64
  5. Step 5: Solve for x
    x = 370,070,282.64/18,532.45
  6. Step 6: Final answer
    x = 19,968.77

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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.