Home / 14,743.09-20,341.02-13,322.22

Finding the Fourth Proportional to 14,743.09, 20,341.02 and 13,322.22

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Solution

The fourth proportional to 14,743.09, 20,341.02 and 13,322.22 is: 18,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.09 : 20,341.02 = 13,322.22 : x
  2. Step 2: Convert to fraction form
    14,743.09/20,341.02 = 13,322.22/x
  3. Step 3: Cross multiply
    14,743.09x = 20,341.02 × 13,322.22
  4. Step 4: Simplify right side
    14,743.09x = 270,987,441.76
  5. Step 5: Solve for x
    x = 270,987,441.76/14,743.09
  6. Step 6: Final answer
    x = 18,380.64

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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.