Home / 13,822.02-20,739.15-7,246.64

Finding the Fourth Proportional to 13,822.02, 20,739.15 and 7,246.64

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Solution

The fourth proportional to 13,822.02, 20,739.15 and 7,246.64 is: 10,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.02 : 20,739.15 = 7,246.64 : x
  2. Step 2: Convert to fraction form
    13,822.02/20,739.15 = 7,246.64/x
  3. Step 3: Cross multiply
    13,822.02x = 20,739.15 × 7,246.64
  4. Step 4: Simplify right side
    13,822.02x = 150,289,050.26
  5. Step 5: Solve for x
    x = 150,289,050.26/13,822.02
  6. Step 6: Final answer
    x = 10,873.16

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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.