Home / 14,268.40-21,426.90-9,359.80

Finding the Fourth Proportional to 14,268.40, 21,426.90 and 9,359.80

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Solution

The fourth proportional to 14,268.40, 21,426.90 and 9,359.80 is: 14,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.40 : 21,426.90 = 9,359.80 : x
  2. Step 2: Convert to fraction form
    14,268.40/21,426.90 = 9,359.80/x
  3. Step 3: Cross multiply
    14,268.40x = 21,426.90 × 9,359.80
  4. Step 4: Simplify right side
    14,268.40x = 200,551,498.62
  5. Step 5: Solve for x
    x = 200,551,498.62/14,268.40
  6. Step 6: Final answer
    x = 14,055.64

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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.