Home / 15,627.87-23,431.39-8,611.18

Finding the Fourth Proportional to 15,627.87, 23,431.39 and 8,611.18

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Solution

The fourth proportional to 15,627.87, 23,431.39 and 8,611.18 is: 12,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.87 : 23,431.39 = 8,611.18 : x
  2. Step 2: Convert to fraction form
    15,627.87/23,431.39 = 8,611.18/x
  3. Step 3: Cross multiply
    15,627.87x = 23,431.39 × 8,611.18
  4. Step 4: Simplify right side
    15,627.87x = 201,771,916.94
  5. Step 5: Solve for x
    x = 201,771,916.94/15,627.87
  6. Step 6: Final answer
    x = 12,911.03

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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.