Home / 13,820.08-20,727.96-5,054.80

Finding the Fourth Proportional to 13,820.08, 20,727.96 and 5,054.80

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Solution

The fourth proportional to 13,820.08, 20,727.96 and 5,054.80 is: 7,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.08 : 20,727.96 = 5,054.80 : x
  2. Step 2: Convert to fraction form
    13,820.08/20,727.96 = 5,054.80/x
  3. Step 3: Cross multiply
    13,820.08x = 20,727.96 × 5,054.80
  4. Step 4: Simplify right side
    13,820.08x = 104,775,692.21
  5. Step 5: Solve for x
    x = 104,775,692.21/13,820.08
  6. Step 6: Final answer
    x = 7,581.41

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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.