Home / 14,378.20-21,567.51-4,517.48

Finding the Fourth Proportional to 14,378.20, 21,567.51 and 4,517.48

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Solution

The fourth proportional to 14,378.20, 21,567.51 and 4,517.48 is: 6,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.20 : 21,567.51 = 4,517.48 : x
  2. Step 2: Convert to fraction form
    14,378.20/21,567.51 = 4,517.48/x
  3. Step 3: Cross multiply
    14,378.20x = 21,567.51 × 4,517.48
  4. Step 4: Simplify right side
    14,378.20x = 97,430,848.99
  5. Step 5: Solve for x
    x = 97,430,848.99/14,378.20
  6. Step 6: Final answer
    x = 6,776.29

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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.