Home / 14,188.70-21,285.30-4,325.72

Finding the Fourth Proportional to 14,188.70, 21,285.30 and 4,325.72

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Solution

The fourth proportional to 14,188.70, 21,285.30 and 4,325.72 is: 6,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.70 : 21,285.30 = 4,325.72 : x
  2. Step 2: Convert to fraction form
    14,188.70/21,285.30 = 4,325.72/x
  3. Step 3: Cross multiply
    14,188.70x = 21,285.30 × 4,325.72
  4. Step 4: Simplify right side
    14,188.70x = 92,074,247.92
  5. Step 5: Solve for x
    x = 92,074,247.92/14,188.70
  6. Step 6: Final answer
    x = 6,489.27

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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.