Home / 18,847.26-28,281.78-10,087.08

Finding the Fourth Proportional to 18,847.26, 28,281.78 and 10,087.08

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Solution

The fourth proportional to 18,847.26, 28,281.78 and 10,087.08 is: 15,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.26 : 28,281.78 = 10,087.08 : x
  2. Step 2: Convert to fraction form
    18,847.26/28,281.78 = 10,087.08/x
  3. Step 3: Cross multiply
    18,847.26x = 28,281.78 × 10,087.08
  4. Step 4: Simplify right side
    18,847.26x = 285,280,577.40
  5. Step 5: Solve for x
    x = 285,280,577.40/18,847.26
  6. Step 6: Final answer
    x = 15,136.45

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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.