Home / 18,971.43-28,460.82-7,283.73

Finding the Fourth Proportional to 18,971.43, 28,460.82 and 7,283.73

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Solution

The fourth proportional to 18,971.43, 28,460.82 and 7,283.73 is: 10,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971.43 : 28,460.82 = 7,283.73 : x
  2. Step 2: Convert to fraction form
    18,971.43/28,460.82 = 7,283.73/x
  3. Step 3: Cross multiply
    18,971.43x = 28,460.82 × 7,283.73
  4. Step 4: Simplify right side
    18,971.43x = 207,300,928.46
  5. Step 5: Solve for x
    x = 207,300,928.46/18,971.43
  6. Step 6: Final answer
    x = 10,927.01

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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.