Home / 30,790.68-46,181.16-9,146.67

Finding the Fourth Proportional to 30,790.68, 46,181.16 and 9,146.67

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Solution

The fourth proportional to 30,790.68, 46,181.16 and 9,146.67 is: 13,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790.68 : 46,181.16 = 9,146.67 : x
  2. Step 2: Convert to fraction form
    30,790.68/46,181.16 = 9,146.67/x
  3. Step 3: Cross multiply
    30,790.68x = 46,181.16 × 9,146.67
  4. Step 4: Simplify right side
    30,790.68x = 422,403,830.74
  5. Step 5: Solve for x
    x = 422,403,830.74/30,790.68
  6. Step 6: Final answer
    x = 13,718.56

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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.