Home / 19,525.68-29,289.42-6,378.12

Finding the Fourth Proportional to 19,525.68, 29,289.42 and 6,378.12

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Solution

The fourth proportional to 19,525.68, 29,289.42 and 6,378.12 is: 9,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,525.68 : 29,289.42 = 6,378.12 : x
  2. Step 2: Convert to fraction form
    19,525.68/29,289.42 = 6,378.12/x
  3. Step 3: Cross multiply
    19,525.68x = 29,289.42 × 6,378.12
  4. Step 4: Simplify right side
    19,525.68x = 186,811,435.49
  5. Step 5: Solve for x
    x = 186,811,435.49/19,525.68
  6. Step 6: Final answer
    x = 9,567.47

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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.