Home / 20,653.25-30,981.38-5,863.23

Finding the Fourth Proportional to 20,653.25, 30,981.38 and 5,863.23

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Solution

The fourth proportional to 20,653.25, 30,981.38 and 5,863.23 is: 8,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653.25 : 30,981.38 = 5,863.23 : x
  2. Step 2: Convert to fraction form
    20,653.25/30,981.38 = 5,863.23/x
  3. Step 3: Cross multiply
    20,653.25x = 30,981.38 × 5,863.23
  4. Step 4: Simplify right side
    20,653.25x = 181,650,927.34
  5. Step 5: Solve for x
    x = 181,650,927.34/20,653.25
  6. Step 6: Final answer
    x = 8,795.27

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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.