Home / 21,114.83-31,678.59-6,324.23

Finding the Fourth Proportional to 21,114.83, 31,678.59 and 6,324.23

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Solution

The fourth proportional to 21,114.83, 31,678.59 and 6,324.23 is: 9,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,114.83 : 31,678.59 = 6,324.23 : x
  2. Step 2: Convert to fraction form
    21,114.83/31,678.59 = 6,324.23/x
  3. Step 3: Cross multiply
    21,114.83x = 31,678.59 × 6,324.23
  4. Step 4: Simplify right side
    21,114.83x = 200,342,530.84
  5. Step 5: Solve for x
    x = 200,342,530.84/21,114.83
  6. Step 6: Final answer
    x = 9,488.24

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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.