Home / 12,842.28-19,262.88-4,522.32

Finding the Fourth Proportional to 12,842.28, 19,262.88 and 4,522.32

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Solution

The fourth proportional to 12,842.28, 19,262.88 and 4,522.32 is: 6,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.28 : 19,262.88 = 4,522.32 : x
  2. Step 2: Convert to fraction form
    12,842.28/19,262.88 = 4,522.32/x
  3. Step 3: Cross multiply
    12,842.28x = 19,262.88 × 4,522.32
  4. Step 4: Simplify right side
    12,842.28x = 87,112,907.48
  5. Step 5: Solve for x
    x = 87,112,907.48/12,842.28
  6. Step 6: Final answer
    x = 6,783.29

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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.