Home / 18,276.64-25,187.74-14,291.44

Finding the Fourth Proportional to 18,276.64, 25,187.74 and 14,291.44

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Solution

The fourth proportional to 18,276.64, 25,187.74 and 14,291.44 is: 19,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.64 : 25,187.74 = 14,291.44 : x
  2. Step 2: Convert to fraction form
    18,276.64/25,187.74 = 14,291.44/x
  3. Step 3: Cross multiply
    18,276.64x = 25,187.74 × 14,291.44
  4. Step 4: Simplify right side
    18,276.64x = 359,969,074.95
  5. Step 5: Solve for x
    x = 359,969,074.95/18,276.64
  6. Step 6: Final answer
    x = 19,695.58

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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.