Home / 11,361.33-15,678.45-6,325.53

Finding the Fourth Proportional to 11,361.33, 15,678.45 and 6,325.53

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Solution

The fourth proportional to 11,361.33, 15,678.45 and 6,325.53 is: 8,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.33 : 15,678.45 = 6,325.53 : x
  2. Step 2: Convert to fraction form
    11,361.33/15,678.45 = 6,325.53/x
  3. Step 3: Cross multiply
    11,361.33x = 15,678.45 × 6,325.53
  4. Step 4: Simplify right side
    11,361.33x = 99,174,505.83
  5. Step 5: Solve for x
    x = 99,174,505.83/11,361.33
  6. Step 6: Final answer
    x = 8,729.13

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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.