Home / 20,085.04-27,719.31-11,701

Finding the Fourth Proportional to 20,085.04, 27,719.31 and 11,701

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Solution

The fourth proportional to 20,085.04, 27,719.31 and 11,701 is: 16,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085.04 : 27,719.31 = 11,701 : x
  2. Step 2: Convert to fraction form
    20,085.04/27,719.31 = 11,701/x
  3. Step 3: Cross multiply
    20,085.04x = 27,719.31 × 11,701
  4. Step 4: Simplify right side
    20,085.04x = 324,343,646.31
  5. Step 5: Solve for x
    x = 324,343,646.31/20,085.04
  6. Step 6: Final answer
    x = 16,148.52

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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.