Home / 18,936.76-26,133.90-10,438.84

Finding the Fourth Proportional to 18,936.76, 26,133.90 and 10,438.84

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Solution

The fourth proportional to 18,936.76, 26,133.90 and 10,438.84 is: 14,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.76 : 26,133.90 = 10,438.84 : x
  2. Step 2: Convert to fraction form
    18,936.76/26,133.90 = 10,438.84/x
  3. Step 3: Cross multiply
    18,936.76x = 26,133.90 × 10,438.84
  4. Step 4: Simplify right side
    18,936.76x = 272,807,600.68
  5. Step 5: Solve for x
    x = 272,807,600.68/18,936.76
  6. Step 6: Final answer
    x = 14,406.24

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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.