Home / 14,521.30-21,790.24-12,085.62

Finding the Fourth Proportional to 14,521.30, 21,790.24 and 12,085.62

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Solution

The fourth proportional to 14,521.30, 21,790.24 and 12,085.62 is: 18,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.30 : 21,790.24 = 12,085.62 : x
  2. Step 2: Convert to fraction form
    14,521.30/21,790.24 = 12,085.62/x
  3. Step 3: Cross multiply
    14,521.30x = 21,790.24 × 12,085.62
  4. Step 4: Simplify right side
    14,521.30x = 263,348,560.35
  5. Step 5: Solve for x
    x = 263,348,560.35/14,521.30
  6. Step 6: Final answer
    x = 18,135.33

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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.