Home / 18,977.24-26,182.74-12,266.60

Finding the Fourth Proportional to 18,977.24, 26,182.74 and 12,266.60

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Solution

The fourth proportional to 18,977.24, 26,182.74 and 12,266.60 is: 16,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.24 : 26,182.74 = 12,266.60 : x
  2. Step 2: Convert to fraction form
    18,977.24/26,182.74 = 12,266.60/x
  3. Step 3: Cross multiply
    18,977.24x = 26,182.74 × 12,266.60
  4. Step 4: Simplify right side
    18,977.24x = 321,173,198.48
  5. Step 5: Solve for x
    x = 321,173,198.48/18,977.24
  6. Step 6: Final answer
    x = 16,924.13

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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.