Home / 13,458.37-20,194.99-5,559.05

Finding the Fourth Proportional to 13,458.37, 20,194.99 and 5,559.05

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Solution

The fourth proportional to 13,458.37, 20,194.99 and 5,559.05 is: 8,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.37 : 20,194.99 = 5,559.05 : x
  2. Step 2: Convert to fraction form
    13,458.37/20,194.99 = 5,559.05/x
  3. Step 3: Cross multiply
    13,458.37x = 20,194.99 × 5,559.05
  4. Step 4: Simplify right side
    13,458.37x = 112,264,844.29
  5. Step 5: Solve for x
    x = 112,264,844.29/13,458.37
  6. Step 6: Final answer
    x = 8,341.64

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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.