Home / 14,139.67-21,204.60-4,276.30

Finding the Fourth Proportional to 14,139.67, 21,204.60 and 4,276.30

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Solution

The fourth proportional to 14,139.67, 21,204.60 and 4,276.30 is: 6,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.67 : 21,204.60 = 4,276.30 : x
  2. Step 2: Convert to fraction form
    14,139.67/21,204.60 = 4,276.30/x
  3. Step 3: Cross multiply
    14,139.67x = 21,204.60 × 4,276.30
  4. Step 4: Simplify right side
    14,139.67x = 90,677,230.98
  5. Step 5: Solve for x
    x = 90,677,230.98/14,139.67
  6. Step 6: Final answer
    x = 6,412.97

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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.