Home / 18,839.29-28,259.36-4,799.26

Finding the Fourth Proportional to 18,839.29, 28,259.36 and 4,799.26

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Solution

The fourth proportional to 18,839.29, 28,259.36 and 4,799.26 is: 7,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.29 : 28,259.36 = 4,799.26 : x
  2. Step 2: Convert to fraction form
    18,839.29/28,259.36 = 4,799.26/x
  3. Step 3: Cross multiply
    18,839.29x = 28,259.36 × 4,799.26
  4. Step 4: Simplify right side
    18,839.29x = 135,624,016.07
  5. Step 5: Solve for x
    x = 135,624,016.07/18,839.29
  6. Step 6: Final answer
    x = 7,199.00

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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.