Home / 18,840.31-25,999.95-10,343.23

Finding the Fourth Proportional to 18,840.31, 25,999.95 and 10,343.23

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Solution

The fourth proportional to 18,840.31, 25,999.95 and 10,343.23 is: 14,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.31 : 25,999.95 = 10,343.23 : x
  2. Step 2: Convert to fraction form
    18,840.31/25,999.95 = 10,343.23/x
  3. Step 3: Cross multiply
    18,840.31x = 25,999.95 × 10,343.23
  4. Step 4: Simplify right side
    18,840.31x = 268,923,462.84
  5. Step 5: Solve for x
    x = 268,923,462.84/18,840.31
  6. Step 6: Final answer
    x = 14,273.83

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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.