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Finding the Fourth Proportional to 12,237.48, 16,890.36 and 7,458.99

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Solution

The fourth proportional to 12,237.48, 16,890.36 and 7,458.99 is: 10,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.48 : 16,890.36 = 7,458.99 : x
  2. Step 2: Convert to fraction form
    12,237.48/16,890.36 = 7,458.99/x
  3. Step 3: Cross multiply
    12,237.48x = 16,890.36 × 7,458.99
  4. Step 4: Simplify right side
    12,237.48x = 125,985,026.34
  5. Step 5: Solve for x
    x = 125,985,026.34/12,237.48
  6. Step 6: Final answer
    x = 10,295.01

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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.