Home / 20,548.23-30,826.98-7,400.67

Finding the Fourth Proportional to 20,548.23, 30,826.98 and 7,400.67

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Solution

The fourth proportional to 20,548.23, 30,826.98 and 7,400.67 is: 11,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.23 : 30,826.98 = 7,400.67 : x
  2. Step 2: Convert to fraction form
    20,548.23/30,826.98 = 7,400.67/x
  3. Step 3: Cross multiply
    20,548.23x = 30,826.98 × 7,400.67
  4. Step 4: Simplify right side
    20,548.23x = 228,140,306.08
  5. Step 5: Solve for x
    x = 228,140,306.08/20,548.23
  6. Step 6: Final answer
    x = 11,102.67

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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.