Home / 12,902.40-19,350.90-6,333.30

Finding the Fourth Proportional to 12,902.40, 19,350.90 and 6,333.30

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Solution

The fourth proportional to 12,902.40, 19,350.90 and 6,333.30 is: 9,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.40 : 19,350.90 = 6,333.30 : x
  2. Step 2: Convert to fraction form
    12,902.40/19,350.90 = 6,333.30/x
  3. Step 3: Cross multiply
    12,902.40x = 19,350.90 × 6,333.30
  4. Step 4: Simplify right side
    12,902.40x = 122,555,054.97
  5. Step 5: Solve for x
    x = 122,555,054.97/12,902.40
  6. Step 6: Final answer
    x = 9,498.62

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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.