Home / 9,421.45-14,124.66-4,739.05

Finding the Fourth Proportional to 9,421.45, 14,124.66 and 4,739.05

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Solution

The fourth proportional to 9,421.45, 14,124.66 and 4,739.05 is: 7,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.45 : 14,124.66 = 4,739.05 : x
  2. Step 2: Convert to fraction form
    9,421.45/14,124.66 = 4,739.05/x
  3. Step 3: Cross multiply
    9,421.45x = 14,124.66 × 4,739.05
  4. Step 4: Simplify right side
    9,421.45x = 66,937,469.97
  5. Step 5: Solve for x
    x = 66,937,469.97/9,421.45
  6. Step 6: Final answer
    x = 7,104.79

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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.