Home / 9,368.49-14,051.46-3,128.37

Finding the Fourth Proportional to 9,368.49, 14,051.46 and 3,128.37

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Solution

The fourth proportional to 9,368.49, 14,051.46 and 3,128.37 is: 4,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.49 : 14,051.46 = 3,128.37 : x
  2. Step 2: Convert to fraction form
    9,368.49/14,051.46 = 3,128.37/x
  3. Step 3: Cross multiply
    9,368.49x = 14,051.46 × 3,128.37
  4. Step 4: Simplify right side
    9,368.49x = 43,958,186.40
  5. Step 5: Solve for x
    x = 43,958,186.40/9,368.49
  6. Step 6: Final answer
    x = 4,692.13

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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.