Home / 19,319.36-28,978.43-6,171.44

Finding the Fourth Proportional to 19,319.36, 28,978.43 and 6,171.44

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Solution

The fourth proportional to 19,319.36, 28,978.43 and 6,171.44 is: 9,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.36 : 28,978.43 = 6,171.44 : x
  2. Step 2: Convert to fraction form
    19,319.36/28,978.43 = 6,171.44/x
  3. Step 3: Cross multiply
    19,319.36x = 28,978.43 × 6,171.44
  4. Step 4: Simplify right side
    19,319.36x = 178,838,466.29
  5. Step 5: Solve for x
    x = 178,838,466.29/19,319.36
  6. Step 6: Final answer
    x = 9,256.96

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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.