Home / 14,575.80-21,847.13-12,817.36

Finding the Fourth Proportional to 14,575.80, 21,847.13 and 12,817.36

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Solution

The fourth proportional to 14,575.80, 21,847.13 and 12,817.36 is: 19,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.80 : 21,847.13 = 12,817.36 : x
  2. Step 2: Convert to fraction form
    14,575.80/21,847.13 = 12,817.36/x
  3. Step 3: Cross multiply
    14,575.80x = 21,847.13 × 12,817.36
  4. Step 4: Simplify right side
    14,575.80x = 280,022,530.18
  5. Step 5: Solve for x
    x = 280,022,530.18/14,575.80
  6. Step 6: Final answer
    x = 19,211.47

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1.5x scale

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.