Home / 12,650.06-18,977.32-4,328.12

Finding the Fourth Proportional to 12,650.06, 18,977.32 and 4,328.12

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Solution

The fourth proportional to 12,650.06, 18,977.32 and 4,328.12 is: 6,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.06 : 18,977.32 = 4,328.12 : x
  2. Step 2: Convert to fraction form
    12,650.06/18,977.32 = 4,328.12/x
  3. Step 3: Cross multiply
    12,650.06x = 18,977.32 × 4,328.12
  4. Step 4: Simplify right side
    12,650.06x = 82,136,118.24
  5. Step 5: Solve for x
    x = 82,136,118.24/12,650.06
  6. Step 6: Final answer
    x = 6,492.94

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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.