Home / 12,903.07-19,357.85-3,669.07

Finding the Fourth Proportional to 12,903.07, 19,357.85 and 3,669.07

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Solution

The fourth proportional to 12,903.07, 19,357.85 and 3,669.07 is: 5,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.07 : 19,357.85 = 3,669.07 : x
  2. Step 2: Convert to fraction form
    12,903.07/19,357.85 = 3,669.07/x
  3. Step 3: Cross multiply
    12,903.07x = 19,357.85 × 3,669.07
  4. Step 4: Simplify right side
    12,903.07x = 71,025,191.56
  5. Step 5: Solve for x
    x = 71,025,191.56/12,903.07
  6. Step 6: Final answer
    x = 5,504.52

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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.