Home / 18,889.83-26,066.94-10,390.59

Finding the Fourth Proportional to 18,889.83, 26,066.94 and 10,390.59

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Solution

The fourth proportional to 18,889.83, 26,066.94 and 10,390.59 is: 14,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.83 : 26,066.94 = 10,390.59 : x
  2. Step 2: Convert to fraction form
    18,889.83/26,066.94 = 10,390.59/x
  3. Step 3: Cross multiply
    18,889.83x = 26,066.94 × 10,390.59
  4. Step 4: Simplify right side
    18,889.83x = 270,850,886.09
  5. Step 5: Solve for x
    x = 270,850,886.09/18,889.83
  6. Step 6: Final answer
    x = 14,338.45

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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.