Home / 13,804.31-20,700.12-4,442.60

Finding the Fourth Proportional to 13,804.31, 20,700.12 and 4,442.60

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Solution

The fourth proportional to 13,804.31, 20,700.12 and 4,442.60 is: 6,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.31 : 20,700.12 = 4,442.60 : x
  2. Step 2: Convert to fraction form
    13,804.31/20,700.12 = 4,442.60/x
  3. Step 3: Cross multiply
    13,804.31x = 20,700.12 × 4,442.60
  4. Step 4: Simplify right side
    13,804.31x = 91,962,353.11
  5. Step 5: Solve for x
    x = 91,962,353.11/13,804.31
  6. Step 6: Final answer
    x = 6,661.86

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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.