Home / 9,721.44-13,401.27-6,880.01

Finding the Fourth Proportional to 9,721.44, 13,401.27 and 6,880.01

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Solution

The fourth proportional to 9,721.44, 13,401.27 and 6,880.01 is: 9,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.44 : 13,401.27 = 6,880.01 : x
  2. Step 2: Convert to fraction form
    9,721.44/13,401.27 = 6,880.01/x
  3. Step 3: Cross multiply
    9,721.44x = 13,401.27 × 6,880.01
  4. Step 4: Simplify right side
    9,721.44x = 92,200,871.61
  5. Step 5: Solve for x
    x = 92,200,871.61/9,721.44
  6. Step 6: Final answer
    x = 9,484.28

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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.