Home / 9,803.98-13,522.29-6,220.03

Finding the Fourth Proportional to 9,803.98, 13,522.29 and 6,220.03

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Solution

The fourth proportional to 9,803.98, 13,522.29 and 6,220.03 is: 8,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,803.98 : 13,522.29 = 6,220.03 : x
  2. Step 2: Convert to fraction form
    9,803.98/13,522.29 = 6,220.03/x
  3. Step 3: Cross multiply
    9,803.98x = 13,522.29 × 6,220.03
  4. Step 4: Simplify right side
    9,803.98x = 84,109,049.47
  5. Step 5: Solve for x
    x = 84,109,049.47/9,803.98
  6. Step 6: Final answer
    x = 8,579.07

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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.