Home / 16,980.83-25,438.10-11,119.67

Finding the Fourth Proportional to 16,980.83, 25,438.10 and 11,119.67

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Solution

The fourth proportional to 16,980.83, 25,438.10 and 11,119.67 is: 16,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.83 : 25,438.10 = 11,119.67 : x
  2. Step 2: Convert to fraction form
    16,980.83/25,438.10 = 11,119.67/x
  3. Step 3: Cross multiply
    16,980.83x = 25,438.10 × 11,119.67
  4. Step 4: Simplify right side
    16,980.83x = 282,863,150.24
  5. Step 5: Solve for x
    x = 282,863,150.24/16,980.83
  6. Step 6: Final answer
    x = 16,657.80

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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.