Home / 15,616.12-23,419.36-8,216.56

Finding the Fourth Proportional to 15,616.12, 23,419.36 and 8,216.56

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Solution

The fourth proportional to 15,616.12, 23,419.36 and 8,216.56 is: 12,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.12 : 23,419.36 = 8,216.56 : x
  2. Step 2: Convert to fraction form
    15,616.12/23,419.36 = 8,216.56/x
  3. Step 3: Cross multiply
    15,616.12x = 23,419.36 × 8,216.56
  4. Step 4: Simplify right side
    15,616.12x = 192,426,576.60
  5. Step 5: Solve for x
    x = 192,426,576.60/15,616.12
  6. Step 6: Final answer
    x = 12,322.30

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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.