Home / 20,483.51-30,725.67-6,443.24

Finding the Fourth Proportional to 20,483.51, 30,725.67 and 6,443.24

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Solution

The fourth proportional to 20,483.51, 30,725.67 and 6,443.24 is: 9,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483.51 : 30,725.67 = 6,443.24 : x
  2. Step 2: Convert to fraction form
    20,483.51/30,725.67 = 6,443.24/x
  3. Step 3: Cross multiply
    20,483.51x = 30,725.67 × 6,443.24
  4. Step 4: Simplify right side
    20,483.51x = 197,972,865.97
  5. Step 5: Solve for x
    x = 197,972,865.97/20,483.51
  6. Step 6: Final answer
    x = 9,664.99

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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.