Home / 18,999.29-26,220.04-11,447.93

Finding the Fourth Proportional to 18,999.29, 26,220.04 and 11,447.93

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Solution

The fourth proportional to 18,999.29, 26,220.04 and 11,447.93 is: 15,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.29 : 26,220.04 = 11,447.93 : x
  2. Step 2: Convert to fraction form
    18,999.29/26,220.04 = 11,447.93/x
  3. Step 3: Cross multiply
    18,999.29x = 26,220.04 × 11,447.93
  4. Step 4: Simplify right side
    18,999.29x = 300,165,219.45
  5. Step 5: Solve for x
    x = 300,165,219.45/18,999.29
  6. Step 6: Final answer
    x = 15,798.76

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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.