Home / 14,551.05-21,807.86-12,669.24

Finding the Fourth Proportional to 14,551.05, 21,807.86 and 12,669.24

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Solution

The fourth proportional to 14,551.05, 21,807.86 and 12,669.24 is: 18,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.05 : 21,807.86 = 12,669.24 : x
  2. Step 2: Convert to fraction form
    14,551.05/21,807.86 = 12,669.24/x
  3. Step 3: Cross multiply
    14,551.05x = 21,807.86 × 12,669.24
  4. Step 4: Simplify right side
    14,551.05x = 276,288,948.88
  5. Step 5: Solve for x
    x = 276,288,948.88/14,551.05
  6. Step 6: Final answer
    x = 18,987.56

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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.