Home / 13,999.64-19,285.70-11,761.61

Finding the Fourth Proportional to 13,999.64, 19,285.70 and 11,761.61

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Solution

The fourth proportional to 13,999.64, 19,285.70 and 11,761.61 is: 16,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.64 : 19,285.70 = 11,761.61 : x
  2. Step 2: Convert to fraction form
    13,999.64/19,285.70 = 11,761.61/x
  3. Step 3: Cross multiply
    13,999.64x = 19,285.70 × 11,761.61
  4. Step 4: Simplify right side
    13,999.64x = 226,830,726.74
  5. Step 5: Solve for x
    x = 226,830,726.74/13,999.64
  6. Step 6: Final answer
    x = 16,202.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.