Home / 9,839.45-13,583.46-6,669.50

Finding the Fourth Proportional to 9,839.45, 13,583.46 and 6,669.50

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Solution

The fourth proportional to 9,839.45, 13,583.46 and 6,669.50 is: 9,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.45 : 13,583.46 = 6,669.50 : x
  2. Step 2: Convert to fraction form
    9,839.45/13,583.46 = 6,669.50/x
  3. Step 3: Cross multiply
    9,839.45x = 13,583.46 × 6,669.50
  4. Step 4: Simplify right side
    9,839.45x = 90,594,818.55
  5. Step 5: Solve for x
    x = 90,594,818.55/9,839.45
  6. Step 6: Final answer
    x = 9,207.31

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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.