Home / 13,567.04-20,338.40-5,771.60

Finding the Fourth Proportional to 13,567.04, 20,338.40 and 5,771.60

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Solution

The fourth proportional to 13,567.04, 20,338.40 and 5,771.60 is: 8,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.04 : 20,338.40 = 5,771.60 : x
  2. Step 2: Convert to fraction form
    13,567.04/20,338.40 = 5,771.60/x
  3. Step 3: Cross multiply
    13,567.04x = 20,338.40 × 5,771.60
  4. Step 4: Simplify right side
    13,567.04x = 117,385,109.44
  5. Step 5: Solve for x
    x = 117,385,109.44/13,567.04
  6. Step 6: Final answer
    x = 8,652.23

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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.