Home / 18,769.47-28,165.14-10,456.44

Finding the Fourth Proportional to 18,769.47, 28,165.14 and 10,456.44

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Solution

The fourth proportional to 18,769.47, 28,165.14 and 10,456.44 is: 15,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.47 : 28,165.14 = 10,456.44 : x
  2. Step 2: Convert to fraction form
    18,769.47/28,165.14 = 10,456.44/x
  3. Step 3: Cross multiply
    18,769.47x = 28,165.14 × 10,456.44
  4. Step 4: Simplify right side
    18,769.47x = 294,507,096.50
  5. Step 5: Solve for x
    x = 294,507,096.50/18,769.47
  6. Step 6: Final answer
    x = 15,690.75

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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.