Home / 9,368.60-14,051.40-3,128.36

Finding the Fourth Proportional to 9,368.60, 14,051.40 and 3,128.36

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Solution

The fourth proportional to 9,368.60, 14,051.40 and 3,128.36 is: 4,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.60 : 14,051.40 = 3,128.36 : x
  2. Step 2: Convert to fraction form
    9,368.60/14,051.40 = 3,128.36/x
  3. Step 3: Cross multiply
    9,368.60x = 14,051.40 × 3,128.36
  4. Step 4: Simplify right side
    9,368.60x = 43,957,837.70
  5. Step 5: Solve for x
    x = 43,957,837.70/9,368.60
  6. Step 6: Final answer
    x = 4,692.04

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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.