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Finding the Fourth Proportional to 14,672.57, 20,252.30 and 12,026.30

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Solution

The fourth proportional to 14,672.57, 20,252.30 and 12,026.30 is: 16,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.57 : 20,252.30 = 12,026.30 : x
  2. Step 2: Convert to fraction form
    14,672.57/20,252.30 = 12,026.30/x
  3. Step 3: Cross multiply
    14,672.57x = 20,252.30 × 12,026.30
  4. Step 4: Simplify right side
    14,672.57x = 243,560,074.10
  5. Step 5: Solve for x
    x = 243,560,074.10/14,672.57
  6. Step 6: Final answer
    x = 16,599.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.