Home / 18,722.09-25,836.50-10,338.59

Finding the Fourth Proportional to 18,722.09, 25,836.50 and 10,338.59

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Solution

The fourth proportional to 18,722.09, 25,836.50 and 10,338.59 is: 14,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.09 : 25,836.50 = 10,338.59 : x
  2. Step 2: Convert to fraction form
    18,722.09/25,836.50 = 10,338.59/x
  3. Step 3: Cross multiply
    18,722.09x = 25,836.50 × 10,338.59
  4. Step 4: Simplify right side
    18,722.09x = 267,112,980.54
  5. Step 5: Solve for x
    x = 267,112,980.54/18,722.09
  6. Step 6: Final answer
    x = 14,267.26

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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.