Home / 16,664.40-22,999.68-9,955.17

Finding the Fourth Proportional to 16,664.40, 22,999.68 and 9,955.17

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Solution

The fourth proportional to 16,664.40, 22,999.68 and 9,955.17 is: 13,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664.40 : 22,999.68 = 9,955.17 : x
  2. Step 2: Convert to fraction form
    16,664.40/22,999.68 = 9,955.17/x
  3. Step 3: Cross multiply
    16,664.40x = 22,999.68 × 9,955.17
  4. Step 4: Simplify right side
    16,664.40x = 228,965,724.35
  5. Step 5: Solve for x
    x = 228,965,724.35/16,664.40
  6. Step 6: Final answer
    x = 13,739.81

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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.