Home / 9,428.90-14,131.20-5,727.20

Finding the Fourth Proportional to 9,428.90, 14,131.20 and 5,727.20

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Solution

The fourth proportional to 9,428.90, 14,131.20 and 5,727.20 is: 8,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.90 : 14,131.20 = 5,727.20 : x
  2. Step 2: Convert to fraction form
    9,428.90/14,131.20 = 5,727.20/x
  3. Step 3: Cross multiply
    9,428.90x = 14,131.20 × 5,727.20
  4. Step 4: Simplify right side
    9,428.90x = 80,932,208.64
  5. Step 5: Solve for x
    x = 80,932,208.64/9,428.90
  6. Step 6: Final answer
    x = 8,583.42

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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.