Home / 18,871.28-26,041.81-10,804.66

Finding the Fourth Proportional to 18,871.28, 26,041.81 and 10,804.66

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Solution

The fourth proportional to 18,871.28, 26,041.81 and 10,804.66 is: 14,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,871.28 : 26,041.81 = 10,804.66 : x
  2. Step 2: Convert to fraction form
    18,871.28/26,041.81 = 10,804.66/x
  3. Step 3: Cross multiply
    18,871.28x = 26,041.81 × 10,804.66
  4. Step 4: Simplify right side
    18,871.28x = 281,372,810.72
  5. Step 5: Solve for x
    x = 281,372,810.72/18,871.28
  6. Step 6: Final answer
    x = 14,910.11

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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.