Home / 18,537.10-25,579.58-10,982.15

Finding the Fourth Proportional to 18,537.10, 25,579.58 and 10,982.15

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Solution

The fourth proportional to 18,537.10, 25,579.58 and 10,982.15 is: 15,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.10 : 25,579.58 = 10,982.15 : x
  2. Step 2: Convert to fraction form
    18,537.10/25,579.58 = 10,982.15/x
  3. Step 3: Cross multiply
    18,537.10x = 25,579.58 × 10,982.15
  4. Step 4: Simplify right side
    18,537.10x = 280,918,784.50
  5. Step 5: Solve for x
    x = 280,918,784.50/18,537.10
  6. Step 6: Final answer
    x = 15,154.41

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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.