Home / 14,348.45-21,555.08-8,508.89

Finding the Fourth Proportional to 14,348.45, 21,555.08 and 8,508.89

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Solution

The fourth proportional to 14,348.45, 21,555.08 and 8,508.89 is: 12,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.45 : 21,555.08 = 8,508.89 : x
  2. Step 2: Convert to fraction form
    14,348.45/21,555.08 = 8,508.89/x
  3. Step 3: Cross multiply
    14,348.45x = 21,555.08 × 8,508.89
  4. Step 4: Simplify right side
    14,348.45x = 183,409,847.91
  5. Step 5: Solve for x
    x = 183,409,847.91/14,348.45
  6. Step 6: Final answer
    x = 12,782.55

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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.