Home / 14,265.96-21,384.36-8,704.50

Finding the Fourth Proportional to 14,265.96, 21,384.36 and 8,704.50

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Solution

The fourth proportional to 14,265.96, 21,384.36 and 8,704.50 is: 13,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.96 : 21,384.36 = 8,704.50 : x
  2. Step 2: Convert to fraction form
    14,265.96/21,384.36 = 8,704.50/x
  3. Step 3: Cross multiply
    14,265.96x = 21,384.36 × 8,704.50
  4. Step 4: Simplify right side
    14,265.96x = 186,140,161.62
  5. Step 5: Solve for x
    x = 186,140,161.62/14,265.96
  6. Step 6: Final answer
    x = 13,047.85

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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.