Home / 20,024.97-30,038.81-6,886.58

Finding the Fourth Proportional to 20,024.97, 30,038.81 and 6,886.58

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Solution

The fourth proportional to 20,024.97, 30,038.81 and 6,886.58 is: 10,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.97 : 30,038.81 = 6,886.58 : x
  2. Step 2: Convert to fraction form
    20,024.97/30,038.81 = 6,886.58/x
  3. Step 3: Cross multiply
    20,024.97x = 30,038.81 × 6,886.58
  4. Step 4: Simplify right side
    20,024.97x = 206,864,483.54
  5. Step 5: Solve for x
    x = 206,864,483.54/20,024.97
  6. Step 6: Final answer
    x = 10,330.33

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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.