Home / 12,887.46-19,330.58-4,567.34

Finding the Fourth Proportional to 12,887.46, 19,330.58 and 4,567.34

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Solution

The fourth proportional to 12,887.46, 19,330.58 and 4,567.34 is: 6,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.46 : 19,330.58 = 4,567.34 : x
  2. Step 2: Convert to fraction form
    12,887.46/19,330.58 = 4,567.34/x
  3. Step 3: Cross multiply
    12,887.46x = 19,330.58 × 4,567.34
  4. Step 4: Simplify right side
    12,887.46x = 88,289,331.26
  5. Step 5: Solve for x
    x = 88,289,331.26/12,887.46
  6. Step 6: Final answer
    x = 6,850.79

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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.