Home / 14,180.54-21,249.88-12,623.51

Finding the Fourth Proportional to 14,180.54, 21,249.88 and 12,623.51

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Solution

The fourth proportional to 14,180.54, 21,249.88 and 12,623.51 is: 18,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.54 : 21,249.88 = 12,623.51 : x
  2. Step 2: Convert to fraction form
    14,180.54/21,249.88 = 12,623.51/x
  3. Step 3: Cross multiply
    14,180.54x = 21,249.88 × 12,623.51
  4. Step 4: Simplify right side
    14,180.54x = 268,248,094.24
  5. Step 5: Solve for x
    x = 268,248,094.24/14,180.54
  6. Step 6: Final answer
    x = 18,916.64

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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.