Home / 15,399.94-23,099.86-5,539.21

Finding the Fourth Proportional to 15,399.94, 23,099.86 and 5,539.21

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Solution

The fourth proportional to 15,399.94, 23,099.86 and 5,539.21 is: 8,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.94 : 23,099.86 = 5,539.21 : x
  2. Step 2: Convert to fraction form
    15,399.94/23,099.86 = 5,539.21/x
  3. Step 3: Cross multiply
    15,399.94x = 23,099.86 × 5,539.21
  4. Step 4: Simplify right side
    15,399.94x = 127,954,975.51
  5. Step 5: Solve for x
    x = 127,954,975.51/15,399.94
  6. Step 6: Final answer
    x = 8,308.80

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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.