Home / 11,450.69-15,801.12-6,670.67

Finding the Fourth Proportional to 11,450.69, 15,801.12 and 6,670.67

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Solution

The fourth proportional to 11,450.69, 15,801.12 and 6,670.67 is: 9,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.69 : 15,801.12 = 6,670.67 : x
  2. Step 2: Convert to fraction form
    11,450.69/15,801.12 = 6,670.67/x
  3. Step 3: Cross multiply
    11,450.69x = 15,801.12 × 6,670.67
  4. Step 4: Simplify right side
    11,450.69x = 105,403,978.14
  5. Step 5: Solve for x
    x = 105,403,978.14/11,450.69
  6. Step 6: Final answer
    x = 9,205.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.