Home / 19,190.30-28,812.35-9,837.03

Finding the Fourth Proportional to 19,190.30, 28,812.35 and 9,837.03

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Solution

The fourth proportional to 19,190.30, 28,812.35 and 9,837.03 is: 14,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.30 : 28,812.35 = 9,837.03 : x
  2. Step 2: Convert to fraction form
    19,190.30/28,812.35 = 9,837.03/x
  3. Step 3: Cross multiply
    19,190.30x = 28,812.35 × 9,837.03
  4. Step 4: Simplify right side
    19,190.30x = 283,427,902.14
  5. Step 5: Solve for x
    x = 283,427,902.14/19,190.30
  6. Step 6: Final answer
    x = 14,769.34

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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.