Home / 18,530.05-27,779.50-15,011.33

Finding the Fourth Proportional to 18,530.05, 27,779.50 and 15,011.33

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Solution

The fourth proportional to 18,530.05, 27,779.50 and 15,011.33 is: 22,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.05 : 27,779.50 = 15,011.33 : x
  2. Step 2: Convert to fraction form
    18,530.05/27,779.50 = 15,011.33/x
  3. Step 3: Cross multiply
    18,530.05x = 27,779.50 × 15,011.33
  4. Step 4: Simplify right side
    18,530.05x = 417,007,273.66
  5. Step 5: Solve for x
    x = 417,007,273.66/18,530.05
  6. Step 6: Final answer
    x = 22,504.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.