Home / 13,784.40-20,683.43-5,464.23

Finding the Fourth Proportional to 13,784.40, 20,683.43 and 5,464.23

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Solution

The fourth proportional to 13,784.40, 20,683.43 and 5,464.23 is: 8,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.40 : 20,683.43 = 5,464.23 : x
  2. Step 2: Convert to fraction form
    13,784.40/20,683.43 = 5,464.23/x
  3. Step 3: Cross multiply
    13,784.40x = 20,683.43 × 5,464.23
  4. Step 4: Simplify right side
    13,784.40x = 113,018,991.39
  5. Step 5: Solve for x
    x = 113,018,991.39/13,784.40
  6. Step 6: Final answer
    x = 8,199.05

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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.