Home / 14,020.77-21,027.90-4,157.67

Finding the Fourth Proportional to 14,020.77, 21,027.90 and 4,157.67

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Solution

The fourth proportional to 14,020.77, 21,027.90 and 4,157.67 is: 6,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.77 : 21,027.90 = 4,157.67 : x
  2. Step 2: Convert to fraction form
    14,020.77/21,027.90 = 4,157.67/x
  3. Step 3: Cross multiply
    14,020.77x = 21,027.90 × 4,157.67
  4. Step 4: Simplify right side
    14,020.77x = 87,427,068.99
  5. Step 5: Solve for x
    x = 87,427,068.99/14,020.77
  6. Step 6: Final answer
    x = 6,235.54

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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.