Home / 14,076.59-21,111.72-4,214.61

Finding the Fourth Proportional to 14,076.59, 21,111.72 and 4,214.61

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Solution

The fourth proportional to 14,076.59, 21,111.72 and 4,214.61 is: 6,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.59 : 21,111.72 = 4,214.61 : x
  2. Step 2: Convert to fraction form
    14,076.59/21,111.72 = 4,214.61/x
  3. Step 3: Cross multiply
    14,076.59x = 21,111.72 × 4,214.61
  4. Step 4: Simplify right side
    14,076.59x = 88,977,666.23
  5. Step 5: Solve for x
    x = 88,977,666.23/14,076.59
  6. Step 6: Final answer
    x = 6,320.97

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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.