Home / 12,013.02-18,022.16-3,693.65

Finding the Fourth Proportional to 12,013.02, 18,022.16 and 3,693.65

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Solution

The fourth proportional to 12,013.02, 18,022.16 and 3,693.65 is: 5,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.02 : 18,022.16 = 3,693.65 : x
  2. Step 2: Convert to fraction form
    12,013.02/18,022.16 = 3,693.65/x
  3. Step 3: Cross multiply
    12,013.02x = 18,022.16 × 3,693.65
  4. Step 4: Simplify right side
    12,013.02x = 66,567,470.41
  5. Step 5: Solve for x
    x = 66,567,470.41/12,013.02
  6. Step 6: Final answer
    x = 5,541.28

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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.