Home / 11,381.42-17,071.93-4,359.53

Finding the Fourth Proportional to 11,381.42, 17,071.93 and 4,359.53

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Solution

The fourth proportional to 11,381.42, 17,071.93 and 4,359.53 is: 6,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.42 : 17,071.93 = 4,359.53 : x
  2. Step 2: Convert to fraction form
    11,381.42/17,071.93 = 4,359.53/x
  3. Step 3: Cross multiply
    11,381.42x = 17,071.93 × 4,359.53
  4. Step 4: Simplify right side
    11,381.42x = 74,425,639.12
  5. Step 5: Solve for x
    x = 74,425,639.12/11,381.42
  6. Step 6: Final answer
    x = 6,539.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.