Home / 14,257.08-21,384.90-8,450.64

Finding the Fourth Proportional to 14,257.08, 21,384.90 and 8,450.64

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Solution

The fourth proportional to 14,257.08, 21,384.90 and 8,450.64 is: 12,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.08 : 21,384.90 = 8,450.64 : x
  2. Step 2: Convert to fraction form
    14,257.08/21,384.90 = 8,450.64/x
  3. Step 3: Cross multiply
    14,257.08x = 21,384.90 × 8,450.64
  4. Step 4: Simplify right side
    14,257.08x = 180,716,091.34
  5. Step 5: Solve for x
    x = 180,716,091.34/14,257.08
  6. Step 6: Final answer
    x = 12,675.53

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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.