Home / 11,158.90-16,722.70-8,024.15

Finding the Fourth Proportional to 11,158.90, 16,722.70 and 8,024.15

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Solution

The fourth proportional to 11,158.90, 16,722.70 and 8,024.15 is: 12,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.90 : 16,722.70 = 8,024.15 : x
  2. Step 2: Convert to fraction form
    11,158.90/16,722.70 = 8,024.15/x
  3. Step 3: Cross multiply
    11,158.90x = 16,722.70 × 8,024.15
  4. Step 4: Simplify right side
    11,158.90x = 134,185,474.95
  5. Step 5: Solve for x
    x = 134,185,474.95/11,158.90
  6. Step 6: Final answer
    x = 12,024.98

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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.