Home / 21,085.02-29,097.23-11,653.52

Finding the Fourth Proportional to 21,085.02, 29,097.23 and 11,653.52

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Solution

The fourth proportional to 21,085.02, 29,097.23 and 11,653.52 is: 16,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085.02 : 29,097.23 = 11,653.52 : x
  2. Step 2: Convert to fraction form
    21,085.02/29,097.23 = 11,653.52/x
  3. Step 3: Cross multiply
    21,085.02x = 29,097.23 × 11,653.52
  4. Step 4: Simplify right side
    21,085.02x = 339,084,948.00
  5. Step 5: Solve for x
    x = 339,084,948.00/21,085.02
  6. Step 6: Final answer
    x = 16,081.79

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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.