Home / 20,535.73-30,798.86-5,745.67

Finding the Fourth Proportional to 20,535.73, 30,798.86 and 5,745.67

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Solution

The fourth proportional to 20,535.73, 30,798.86 and 5,745.67 is: 8,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.73 : 30,798.86 = 5,745.67 : x
  2. Step 2: Convert to fraction form
    20,535.73/30,798.86 = 5,745.67/x
  3. Step 3: Cross multiply
    20,535.73x = 30,798.86 × 5,745.67
  4. Step 4: Simplify right side
    20,535.73x = 176,960,085.94
  5. Step 5: Solve for x
    x = 176,960,085.94/20,535.73
  6. Step 6: Final answer
    x = 8,617.18

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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.