Home / 9,121.95-13,683.33-3,574.80

Finding the Fourth Proportional to 9,121.95, 13,683.33 and 3,574.80

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Solution

The fourth proportional to 9,121.95, 13,683.33 and 3,574.80 is: 5,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.95 : 13,683.33 = 3,574.80 : x
  2. Step 2: Convert to fraction form
    9,121.95/13,683.33 = 3,574.80/x
  3. Step 3: Cross multiply
    9,121.95x = 13,683.33 × 3,574.80
  4. Step 4: Simplify right side
    9,121.95x = 48,915,168.08
  5. Step 5: Solve for x
    x = 48,915,168.08/9,121.95
  6. Step 6: Final answer
    x = 5,362.36

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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.