Home / 19,487.83-26,897.50-12,669.98

Finding the Fourth Proportional to 19,487.83, 26,897.50 and 12,669.98

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Solution

The fourth proportional to 19,487.83, 26,897.50 and 12,669.98 is: 17,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.83 : 26,897.50 = 12,669.98 : x
  2. Step 2: Convert to fraction form
    19,487.83/26,897.50 = 12,669.98/x
  3. Step 3: Cross multiply
    19,487.83x = 26,897.50 × 12,669.98
  4. Step 4: Simplify right side
    19,487.83x = 340,790,787.05
  5. Step 5: Solve for x
    x = 340,790,787.05/19,487.83
  6. Step 6: Final answer
    x = 17,487.37

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Why These Related Problems?

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