Home / 16,890.21-25,321.62-7,036.92

Finding the Fourth Proportional to 16,890.21, 25,321.62 and 7,036.92

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Solution

The fourth proportional to 16,890.21, 25,321.62 and 7,036.92 is: 10,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.21 : 25,321.62 = 7,036.92 : x
  2. Step 2: Convert to fraction form
    16,890.21/25,321.62 = 7,036.92/x
  3. Step 3: Cross multiply
    16,890.21x = 25,321.62 × 7,036.92
  4. Step 4: Simplify right side
    16,890.21x = 178,186,214.21
  5. Step 5: Solve for x
    x = 178,186,214.21/16,890.21
  6. Step 6: Final answer
    x = 10,549.67

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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.