Home / 19,126.16-28,685.88-8,735.44

Finding the Fourth Proportional to 19,126.16, 28,685.88 and 8,735.44

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Solution

The fourth proportional to 19,126.16, 28,685.88 and 8,735.44 is: 13,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.16 : 28,685.88 = 8,735.44 : x
  2. Step 2: Convert to fraction form
    19,126.16/28,685.88 = 8,735.44/x
  3. Step 3: Cross multiply
    19,126.16x = 28,685.88 × 8,735.44
  4. Step 4: Simplify right side
    19,126.16x = 250,583,783.59
  5. Step 5: Solve for x
    x = 250,583,783.59/19,126.16
  6. Step 6: Final answer
    x = 13,101.63

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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.