Home / 19,526.54-29,289.80-7,839.75

Finding the Fourth Proportional to 19,526.54, 29,289.80 and 7,839.75

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Solution

The fourth proportional to 19,526.54, 29,289.80 and 7,839.75 is: 11,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.54 : 29,289.80 = 7,839.75 : x
  2. Step 2: Convert to fraction form
    19,526.54/29,289.80 = 7,839.75/x
  3. Step 3: Cross multiply
    19,526.54x = 29,289.80 × 7,839.75
  4. Step 4: Simplify right side
    19,526.54x = 229,624,670.35
  5. Step 5: Solve for x
    x = 229,624,670.35/19,526.54
  6. Step 6: Final answer
    x = 11,759.62

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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.