Home / 12,130.02-16,739.36-6,824.88

Finding the Fourth Proportional to 12,130.02, 16,739.36 and 6,824.88

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Solution

The fourth proportional to 12,130.02, 16,739.36 and 6,824.88 is: 9,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.02 : 16,739.36 = 6,824.88 : x
  2. Step 2: Convert to fraction form
    12,130.02/16,739.36 = 6,824.88/x
  3. Step 3: Cross multiply
    12,130.02x = 16,739.36 × 6,824.88
  4. Step 4: Simplify right side
    12,130.02x = 114,244,114.75
  5. Step 5: Solve for x
    x = 114,244,114.75/12,130.02
  6. Step 6: Final answer
    x = 9,418.30

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1.5x scale

Why These Related Problems?

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