Home / 10,072.35-13,899.60-5,880.60

Finding the Fourth Proportional to 10,072.35, 13,899.60 and 5,880.60

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Solution

The fourth proportional to 10,072.35, 13,899.60 and 5,880.60 is: 8,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.35 : 13,899.60 = 5,880.60 : x
  2. Step 2: Convert to fraction form
    10,072.35/13,899.60 = 5,880.60/x
  3. Step 3: Cross multiply
    10,072.35x = 13,899.60 × 5,880.60
  4. Step 4: Simplify right side
    10,072.35x = 81,737,987.76
  5. Step 5: Solve for x
    x = 81,737,987.76/10,072.35
  6. Step 6: Final answer
    x = 8,115.09

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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.