Home / 12,007.12-18,010.67-6,160.00

Finding the Fourth Proportional to 12,007.12, 18,010.67 and 6,160.00

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Solution

The fourth proportional to 12,007.12, 18,010.67 and 6,160.00 is: 9,239.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.12 : 18,010.67 = 6,160.00 : x
  2. Step 2: Convert to fraction form
    12,007.12/18,010.67 = 6,160.00/x
  3. Step 3: Cross multiply
    12,007.12x = 18,010.67 × 6,160.00
  4. Step 4: Simplify right side
    12,007.12x = 110,945,652.55
  5. Step 5: Solve for x
    x = 110,945,652.55/12,007.12
  6. Step 6: Final answer
    x = 9,239.99

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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.