Home / 15,816.68-23,739.38-8,427.36

Finding the Fourth Proportional to 15,816.68, 23,739.38 and 8,427.36

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Solution

The fourth proportional to 15,816.68, 23,739.38 and 8,427.36 is: 12,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816.68 : 23,739.38 = 8,427.36 : x
  2. Step 2: Convert to fraction form
    15,816.68/23,739.38 = 8,427.36/x
  3. Step 3: Cross multiply
    15,816.68x = 23,739.38 × 8,427.36
  4. Step 4: Simplify right side
    15,816.68x = 200,060,259.30
  5. Step 5: Solve for x
    x = 200,060,259.30/15,816.68
  6. Step 6: Final answer
    x = 12,648.69

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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.