Home / 17,620.02-26,401.68-12,951.18

Finding the Fourth Proportional to 17,620.02, 26,401.68 and 12,951.18

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Solution

The fourth proportional to 17,620.02, 26,401.68 and 12,951.18 is: 19,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.02 : 26,401.68 = 12,951.18 : x
  2. Step 2: Convert to fraction form
    17,620.02/26,401.68 = 12,951.18/x
  3. Step 3: Cross multiply
    17,620.02x = 26,401.68 × 12,951.18
  4. Step 4: Simplify right side
    17,620.02x = 341,932,909.98
  5. Step 5: Solve for x
    x = 341,932,909.98/17,620.02
  6. Step 6: Final answer
    x = 19,405.93

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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.