Home / 14,619.30-21,907.02-8,769.48

Finding the Fourth Proportional to 14,619.30, 21,907.02 and 8,769.48

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Solution

The fourth proportional to 14,619.30, 21,907.02 and 8,769.48 is: 13,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.30 : 21,907.02 = 8,769.48 : x
  2. Step 2: Convert to fraction form
    14,619.30/21,907.02 = 8,769.48/x
  3. Step 3: Cross multiply
    14,619.30x = 21,907.02 × 8,769.48
  4. Step 4: Simplify right side
    14,619.30x = 192,113,173.75
  5. Step 5: Solve for x
    x = 192,113,173.75/14,619.30
  6. Step 6: Final answer
    x = 13,141.07

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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.