Home / 14,274.28-19,698.56-7,986.25

Finding the Fourth Proportional to 14,274.28, 19,698.56 and 7,986.25

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Solution

The fourth proportional to 14,274.28, 19,698.56 and 7,986.25 is: 11,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.28 : 19,698.56 = 7,986.25 : x
  2. Step 2: Convert to fraction form
    14,274.28/19,698.56 = 7,986.25/x
  3. Step 3: Cross multiply
    14,274.28x = 19,698.56 × 7,986.25
  4. Step 4: Simplify right side
    14,274.28x = 157,317,624.80
  5. Step 5: Solve for x
    x = 157,317,624.80/14,274.28
  6. Step 6: Final answer
    x = 11,021.05

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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.