Home / 15,796.66-23,688.10-8,399.34

Finding the Fourth Proportional to 15,796.66, 23,688.10 and 8,399.34

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Solution

The fourth proportional to 15,796.66, 23,688.10 and 8,399.34 is: 12,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.66 : 23,688.10 = 8,399.34 : x
  2. Step 2: Convert to fraction form
    15,796.66/23,688.10 = 8,399.34/x
  3. Step 3: Cross multiply
    15,796.66x = 23,688.10 × 8,399.34
  4. Step 4: Simplify right side
    15,796.66x = 198,964,405.85
  5. Step 5: Solve for x
    x = 198,964,405.85/15,796.66
  6. Step 6: Final answer
    x = 12,595.35

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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.