Home / 18,829.97-28,236.75-6,347.67

Finding the Fourth Proportional to 18,829.97, 28,236.75 and 6,347.67

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Solution

The fourth proportional to 18,829.97, 28,236.75 and 6,347.67 is: 9,518.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.97 : 28,236.75 = 6,347.67 : x
  2. Step 2: Convert to fraction form
    18,829.97/28,236.75 = 6,347.67/x
  3. Step 3: Cross multiply
    18,829.97x = 28,236.75 × 6,347.67
  4. Step 4: Simplify right side
    18,829.97x = 179,237,570.87
  5. Step 5: Solve for x
    x = 179,237,570.87/18,829.97
  6. Step 6: Final answer
    x = 9,518.74

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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.