Home / 14,028.20-21,038.70-4,165.19

Finding the Fourth Proportional to 14,028.20, 21,038.70 and 4,165.19

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Solution

The fourth proportional to 14,028.20, 21,038.70 and 4,165.19 is: 6,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.20 : 21,038.70 = 4,165.19 : x
  2. Step 2: Convert to fraction form
    14,028.20/21,038.70 = 4,165.19/x
  3. Step 3: Cross multiply
    14,028.20x = 21,038.70 × 4,165.19
  4. Step 4: Simplify right side
    14,028.20x = 87,630,245.86
  5. Step 5: Solve for x
    x = 87,630,245.86/14,028.20
  6. Step 6: Final answer
    x = 6,246.72

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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.