Home / 13,968.05-20,948.52-5,645.60

Finding the Fourth Proportional to 13,968.05, 20,948.52 and 5,645.60

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Solution

The fourth proportional to 13,968.05, 20,948.52 and 5,645.60 is: 8,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.05 : 20,948.52 = 5,645.60 : x
  2. Step 2: Convert to fraction form
    13,968.05/20,948.52 = 5,645.60/x
  3. Step 3: Cross multiply
    13,968.05x = 20,948.52 × 5,645.60
  4. Step 4: Simplify right side
    13,968.05x = 118,266,959.50
  5. Step 5: Solve for x
    x = 118,266,959.50/13,968.05
  6. Step 6: Final answer
    x = 8,466.97

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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.