Home / 13,743.02-20,617.27-4,382.72

Finding the Fourth Proportional to 13,743.02, 20,617.27 and 4,382.72

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Solution

The fourth proportional to 13,743.02, 20,617.27 and 4,382.72 is: 6,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.02 : 20,617.27 = 4,382.72 : x
  2. Step 2: Convert to fraction form
    13,743.02/20,617.27 = 4,382.72/x
  3. Step 3: Cross multiply
    13,743.02x = 20,617.27 × 4,382.72
  4. Step 4: Simplify right side
    13,743.02x = 90,359,762.16
  5. Step 5: Solve for x
    x = 90,359,762.16/13,743.02
  6. Step 6: Final answer
    x = 6,574.96

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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.