Home / 13,465.86-20,194.46-4,458.30

Finding the Fourth Proportional to 13,465.86, 20,194.46 and 4,458.30

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Solution

The fourth proportional to 13,465.86, 20,194.46 and 4,458.30 is: 6,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.86 : 20,194.46 = 4,458.30 : x
  2. Step 2: Convert to fraction form
    13,465.86/20,194.46 = 4,458.30/x
  3. Step 3: Cross multiply
    13,465.86x = 20,194.46 × 4,458.30
  4. Step 4: Simplify right side
    13,465.86x = 90,032,961.02
  5. Step 5: Solve for x
    x = 90,032,961.02/13,465.86
  6. Step 6: Final answer
    x = 6,686.02

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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.