Home / 11,428.11-17,136-6,165.94

Finding the Fourth Proportional to 11,428.11, 17,136 and 6,165.94

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Solution

The fourth proportional to 11,428.11, 17,136 and 6,165.94 is: 9,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.11 : 17,136 = 6,165.94 : x
  2. Step 2: Convert to fraction form
    11,428.11/17,136 = 6,165.94/x
  3. Step 3: Cross multiply
    11,428.11x = 17,136 × 6,165.94
  4. Step 4: Simplify right side
    11,428.11x = 105,659,547.84
  5. Step 5: Solve for x
    x = 105,659,547.84/11,428.11
  6. Step 6: Final answer
    x = 9,245.58

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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.