Home / 18,942.58-26,139.81-10,557.46

Finding the Fourth Proportional to 18,942.58, 26,139.81 and 10,557.46

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Solution

The fourth proportional to 18,942.58, 26,139.81 and 10,557.46 is: 14,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.58 : 26,139.81 = 10,557.46 : x
  2. Step 2: Convert to fraction form
    18,942.58/26,139.81 = 10,557.46/x
  3. Step 3: Cross multiply
    18,942.58x = 26,139.81 × 10,557.46
  4. Step 4: Simplify right side
    18,942.58x = 275,969,998.48
  5. Step 5: Solve for x
    x = 275,969,998.48/18,942.58
  6. Step 6: Final answer
    x = 14,568.77

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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.