Home / 14,268.20-21,426.60-10,137.20

Finding the Fourth Proportional to 14,268.20, 21,426.60 and 10,137.20

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Solution

The fourth proportional to 14,268.20, 21,426.60 and 10,137.20 is: 15,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.20 : 21,426.60 = 10,137.20 : x
  2. Step 2: Convert to fraction form
    14,268.20/21,426.60 = 10,137.20/x
  3. Step 3: Cross multiply
    14,268.20x = 21,426.60 × 10,137.20
  4. Step 4: Simplify right side
    14,268.20x = 217,205,729.52
  5. Step 5: Solve for x
    x = 217,205,729.52/14,268.20
  6. Step 6: Final answer
    x = 15,223.06

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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.