Home / 14,260.03-21,390.42-6,761.83

Finding the Fourth Proportional to 14,260.03, 21,390.42 and 6,761.83

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Solution

The fourth proportional to 14,260.03, 21,390.42 and 6,761.83 is: 10,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.03 : 21,390.42 = 6,761.83 : x
  2. Step 2: Convert to fraction form
    14,260.03/21,390.42 = 6,761.83/x
  3. Step 3: Cross multiply
    14,260.03x = 21,390.42 × 6,761.83
  4. Step 4: Simplify right side
    14,260.03x = 144,638,383.67
  5. Step 5: Solve for x
    x = 144,638,383.67/14,260.03
  6. Step 6: Final answer
    x = 10,142.92

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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.