Home / 13,267.09-18,305.42-8,968.20

Finding the Fourth Proportional to 13,267.09, 18,305.42 and 8,968.20

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Solution

The fourth proportional to 13,267.09, 18,305.42 and 8,968.20 is: 12,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.09 : 18,305.42 = 8,968.20 : x
  2. Step 2: Convert to fraction form
    13,267.09/18,305.42 = 8,968.20/x
  3. Step 3: Cross multiply
    13,267.09x = 18,305.42 × 8,968.20
  4. Step 4: Simplify right side
    13,267.09x = 164,166,682.35
  5. Step 5: Solve for x
    x = 164,166,682.35/13,267.09
  6. Step 6: Final answer
    x = 12,373.98

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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.