Home / 21,063.89-31,601.00-6,272.75

Finding the Fourth Proportional to 21,063.89, 31,601.00 and 6,272.75

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Solution

The fourth proportional to 21,063.89, 31,601.00 and 6,272.75 is: 9,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.89 : 31,601.00 = 6,272.75 : x
  2. Step 2: Convert to fraction form
    21,063.89/31,601.00 = 6,272.75/x
  3. Step 3: Cross multiply
    21,063.89x = 31,601.00 × 6,272.75
  4. Step 4: Simplify right side
    21,063.89x = 198,225,267.43
  5. Step 5: Solve for x
    x = 198,225,267.43/21,063.89
  6. Step 6: Final answer
    x = 9,410.67

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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.