Home / 14,130.45-21,193.25-4,769.48

Finding the Fourth Proportional to 14,130.45, 21,193.25 and 4,769.48

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Solution

The fourth proportional to 14,130.45, 21,193.25 and 4,769.48 is: 7,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.45 : 21,193.25 = 4,769.48 : x
  2. Step 2: Convert to fraction form
    14,130.45/21,193.25 = 4,769.48/x
  3. Step 3: Cross multiply
    14,130.45x = 21,193.25 × 4,769.48
  4. Step 4: Simplify right side
    14,130.45x = 101,080,811.15
  5. Step 5: Solve for x
    x = 101,080,811.15/14,130.45
  6. Step 6: Final answer
    x = 7,153.40

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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.