Home / 16,121.12-22,247.08-9,047.60

Finding the Fourth Proportional to 16,121.12, 22,247.08 and 9,047.60

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Solution

The fourth proportional to 16,121.12, 22,247.08 and 9,047.60 is: 12,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.12 : 22,247.08 = 9,047.60 : x
  2. Step 2: Convert to fraction form
    16,121.12/22,247.08 = 9,047.60/x
  3. Step 3: Cross multiply
    16,121.12x = 22,247.08 × 9,047.60
  4. Step 4: Simplify right side
    16,121.12x = 201,282,681.01
  5. Step 5: Solve for x
    x = 201,282,681.01/16,121.12
  6. Step 6: Final answer
    x = 12,485.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.