Home / 19,354.86-29,003.13-14,400.90

Finding the Fourth Proportional to 19,354.86, 29,003.13 and 14,400.90

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Solution

The fourth proportional to 19,354.86, 29,003.13 and 14,400.90 is: 21,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.86 : 29,003.13 = 14,400.90 : x
  2. Step 2: Convert to fraction form
    19,354.86/29,003.13 = 14,400.90/x
  3. Step 3: Cross multiply
    19,354.86x = 29,003.13 × 14,400.90
  4. Step 4: Simplify right side
    19,354.86x = 417,671,174.82
  5. Step 5: Solve for x
    x = 417,671,174.82/19,354.86
  6. Step 6: Final answer
    x = 21,579.65

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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.