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Finding the Fourth Proportional to 13,595.58, 18,762.39 and 7,929.36

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Solution

The fourth proportional to 13,595.58, 18,762.39 and 7,929.36 is: 10,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.58 : 18,762.39 = 7,929.36 : x
  2. Step 2: Convert to fraction form
    13,595.58/18,762.39 = 7,929.36/x
  3. Step 3: Cross multiply
    13,595.58x = 18,762.39 × 7,929.36
  4. Step 4: Simplify right side
    13,595.58x = 148,773,744.77
  5. Step 5: Solve for x
    x = 148,773,744.77/13,595.58
  6. Step 6: Final answer
    x = 10,942.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.