Home / 14,289.30-21,437.09-4,801.28

Finding the Fourth Proportional to 14,289.30, 21,437.09 and 4,801.28

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Solution

The fourth proportional to 14,289.30, 21,437.09 and 4,801.28 is: 7,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.30 : 21,437.09 = 4,801.28 : x
  2. Step 2: Convert to fraction form
    14,289.30/21,437.09 = 4,801.28/x
  3. Step 3: Cross multiply
    14,289.30x = 21,437.09 × 4,801.28
  4. Step 4: Simplify right side
    14,289.30x = 102,925,539.16
  5. Step 5: Solve for x
    x = 102,925,539.16/14,289.30
  6. Step 6: Final answer
    x = 7,202.98

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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.