Home / 14,642.08-20,194.32-13,259.68

Finding the Fourth Proportional to 14,642.08, 20,194.32 and 13,259.68

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Solution

The fourth proportional to 14,642.08, 20,194.32 and 13,259.68 is: 18,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.08 : 20,194.32 = 13,259.68 : x
  2. Step 2: Convert to fraction form
    14,642.08/20,194.32 = 13,259.68/x
  3. Step 3: Cross multiply
    14,642.08x = 20,194.32 × 13,259.68
  4. Step 4: Simplify right side
    14,642.08x = 267,770,221.02
  5. Step 5: Solve for x
    x = 267,770,221.02/14,642.08
  6. Step 6: Final answer
    x = 18,287.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.