Home / 12,887.32-19,311.54-9,584.92

Finding the Fourth Proportional to 12,887.32, 19,311.54 and 9,584.92

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Solution

The fourth proportional to 12,887.32, 19,311.54 and 9,584.92 is: 14,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.32 : 19,311.54 = 9,584.92 : x
  2. Step 2: Convert to fraction form
    12,887.32/19,311.54 = 9,584.92/x
  3. Step 3: Cross multiply
    12,887.32x = 19,311.54 × 9,584.92
  4. Step 4: Simplify right side
    12,887.32x = 185,099,565.98
  5. Step 5: Solve for x
    x = 185,099,565.98/12,887.32
  6. Step 6: Final answer
    x = 14,362.92

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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.