Home / 12,839.28-19,258.90-4,835.54

Finding the Fourth Proportional to 12,839.28, 19,258.90 and 4,835.54

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Solution

The fourth proportional to 12,839.28, 19,258.90 and 4,835.54 is: 7,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.28 : 19,258.90 = 4,835.54 : x
  2. Step 2: Convert to fraction form
    12,839.28/19,258.90 = 4,835.54/x
  3. Step 3: Cross multiply
    12,839.28x = 19,258.90 × 4,835.54
  4. Step 4: Simplify right side
    12,839.28x = 93,127,217.36
  5. Step 5: Solve for x
    x = 93,127,217.36/12,839.28
  6. Step 6: Final answer
    x = 7,253.31

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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.