Home / 18,564.78-27,842.90-11,070.45

Finding the Fourth Proportional to 18,564.78, 27,842.90 and 11,070.45

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Solution

The fourth proportional to 18,564.78, 27,842.90 and 11,070.45 is: 16,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.78 : 27,842.90 = 11,070.45 : x
  2. Step 2: Convert to fraction form
    18,564.78/27,842.90 = 11,070.45/x
  3. Step 3: Cross multiply
    18,564.78x = 27,842.90 × 11,070.45
  4. Step 4: Simplify right side
    18,564.78x = 308,233,376.95
  5. Step 5: Solve for x
    x = 308,233,376.95/18,564.78
  6. Step 6: Final answer
    x = 16,603.13

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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.