Home / 18,830.37-25,984.79-10,764.90

Finding the Fourth Proportional to 18,830.37, 25,984.79 and 10,764.90

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Solution

The fourth proportional to 18,830.37, 25,984.79 and 10,764.90 is: 14,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.37 : 25,984.79 = 10,764.90 : x
  2. Step 2: Convert to fraction form
    18,830.37/25,984.79 = 10,764.90/x
  3. Step 3: Cross multiply
    18,830.37x = 25,984.79 × 10,764.90
  4. Step 4: Simplify right side
    18,830.37x = 279,723,665.87
  5. Step 5: Solve for x
    x = 279,723,665.87/18,830.37
  6. Step 6: Final answer
    x = 14,854.92

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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.