Home / 14,540.31-21,807.06-4,679.71

Finding the Fourth Proportional to 14,540.31, 21,807.06 and 4,679.71

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Solution

The fourth proportional to 14,540.31, 21,807.06 and 4,679.71 is: 7,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.31 : 21,807.06 = 4,679.71 : x
  2. Step 2: Convert to fraction form
    14,540.31/21,807.06 = 4,679.71/x
  3. Step 3: Cross multiply
    14,540.31x = 21,807.06 × 4,679.71
  4. Step 4: Simplify right side
    14,540.31x = 102,050,644.69
  5. Step 5: Solve for x
    x = 102,050,644.69/14,540.31
  6. Step 6: Final answer
    x = 7,018.46

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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.