Home / 12,262.04-18,368.09-11,240.30

Finding the Fourth Proportional to 12,262.04, 18,368.09 and 11,240.30

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Solution

The fourth proportional to 12,262.04, 18,368.09 and 11,240.30 is: 16,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.04 : 18,368.09 = 11,240.30 : x
  2. Step 2: Convert to fraction form
    12,262.04/18,368.09 = 11,240.30/x
  3. Step 3: Cross multiply
    12,262.04x = 18,368.09 × 11,240.30
  4. Step 4: Simplify right side
    12,262.04x = 206,462,828.02
  5. Step 5: Solve for x
    x = 206,462,828.02/12,262.04
  6. Step 6: Final answer
    x = 16,837.56

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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.