Home / 14,586.20-21,879.30-8,343.80

Finding the Fourth Proportional to 14,586.20, 21,879.30 and 8,343.80

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Solution

The fourth proportional to 14,586.20, 21,879.30 and 8,343.80 is: 12,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.20 : 21,879.30 = 8,343.80 : x
  2. Step 2: Convert to fraction form
    14,586.20/21,879.30 = 8,343.80/x
  3. Step 3: Cross multiply
    14,586.20x = 21,879.30 × 8,343.80
  4. Step 4: Simplify right side
    14,586.20x = 182,556,503.34
  5. Step 5: Solve for x
    x = 182,556,503.34/14,586.20
  6. Step 6: Final answer
    x = 12,515.70

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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.