Home / 18,823.31-25,975.76-10,439.81

Finding the Fourth Proportional to 18,823.31, 25,975.76 and 10,439.81

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Solution

The fourth proportional to 18,823.31, 25,975.76 and 10,439.81 is: 14,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.31 : 25,975.76 = 10,439.81 : x
  2. Step 2: Convert to fraction form
    18,823.31/25,975.76 = 10,439.81/x
  3. Step 3: Cross multiply
    18,823.31x = 25,975.76 × 10,439.81
  4. Step 4: Simplify right side
    18,823.31x = 271,181,999.01
  5. Step 5: Solve for x
    x = 271,181,999.01/18,823.31
  6. Step 6: Final answer
    x = 14,406.71

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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.