Home / 9,822.42-13,553.01-6,837.21

Finding the Fourth Proportional to 9,822.42, 13,553.01 and 6,837.21

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Solution

The fourth proportional to 9,822.42, 13,553.01 and 6,837.21 is: 9,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.42 : 13,553.01 = 6,837.21 : x
  2. Step 2: Convert to fraction form
    9,822.42/13,553.01 = 6,837.21/x
  3. Step 3: Cross multiply
    9,822.42x = 13,553.01 × 6,837.21
  4. Step 4: Simplify right side
    9,822.42x = 92,664,775.50
  5. Step 5: Solve for x
    x = 92,664,775.50/9,822.42
  6. Step 6: Final answer
    x = 9,434.01

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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.