Home / 12,669.77-19,004.70-7,472

Finding the Fourth Proportional to 12,669.77, 19,004.70 and 7,472

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Solution

The fourth proportional to 12,669.77, 19,004.70 and 7,472 is: 11,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.77 : 19,004.70 = 7,472 : x
  2. Step 2: Convert to fraction form
    12,669.77/19,004.70 = 7,472/x
  3. Step 3: Cross multiply
    12,669.77x = 19,004.70 × 7,472
  4. Step 4: Simplify right side
    12,669.77x = 142,003,118.40
  5. Step 5: Solve for x
    x = 142,003,118.40/12,669.77
  6. Step 6: Final answer
    x = 11,208.03

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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.