Home / 9,478.38-14,212.09-4,213.38

Finding the Fourth Proportional to 9,478.38, 14,212.09 and 4,213.38

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Solution

The fourth proportional to 9,478.38, 14,212.09 and 4,213.38 is: 6,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.38 : 14,212.09 = 4,213.38 : x
  2. Step 2: Convert to fraction form
    9,478.38/14,212.09 = 4,213.38/x
  3. Step 3: Cross multiply
    9,478.38x = 14,212.09 × 4,213.38
  4. Step 4: Simplify right side
    9,478.38x = 59,880,935.76
  5. Step 5: Solve for x
    x = 59,880,935.76/9,478.38
  6. Step 6: Final answer
    x = 6,317.63

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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.