Home / 14,628.96-21,939.27-4,769.10

Finding the Fourth Proportional to 14,628.96, 21,939.27 and 4,769.10

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Solution

The fourth proportional to 14,628.96, 21,939.27 and 4,769.10 is: 7,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.96 : 21,939.27 = 4,769.10 : x
  2. Step 2: Convert to fraction form
    14,628.96/21,939.27 = 4,769.10/x
  3. Step 3: Cross multiply
    14,628.96x = 21,939.27 × 4,769.10
  4. Step 4: Simplify right side
    14,628.96x = 104,630,572.56
  5. Step 5: Solve for x
    x = 104,630,572.56/14,628.96
  6. Step 6: Final answer
    x = 7,152.29

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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.