Home / 10,809.18-16,211.61-3,018.06

Finding the Fourth Proportional to 10,809.18, 16,211.61 and 3,018.06

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Solution

The fourth proportional to 10,809.18, 16,211.61 and 3,018.06 is: 4,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.18 : 16,211.61 = 3,018.06 : x
  2. Step 2: Convert to fraction form
    10,809.18/16,211.61 = 3,018.06/x
  3. Step 3: Cross multiply
    10,809.18x = 16,211.61 × 3,018.06
  4. Step 4: Simplify right side
    10,809.18x = 48,927,611.68
  5. Step 5: Solve for x
    x = 48,927,611.68/10,809.18
  6. Step 6: Final answer
    x = 4,526.49

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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.