Home / 13,017.75-19,527.17-3,783.75

Finding the Fourth Proportional to 13,017.75, 19,527.17 and 3,783.75

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Solution

The fourth proportional to 13,017.75, 19,527.17 and 3,783.75 is: 5,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.75 : 19,527.17 = 3,783.75 : x
  2. Step 2: Convert to fraction form
    13,017.75/19,527.17 = 3,783.75/x
  3. Step 3: Cross multiply
    13,017.75x = 19,527.17 × 3,783.75
  4. Step 4: Simplify right side
    13,017.75x = 73,885,929.49
  5. Step 5: Solve for x
    x = 73,885,929.49/13,017.75
  6. Step 6: Final answer
    x = 5,675.78

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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.