Home / 11,929.72-17,888.47-4,528.54

Finding the Fourth Proportional to 11,929.72, 17,888.47 and 4,528.54

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Solution

The fourth proportional to 11,929.72, 17,888.47 and 4,528.54 is: 6,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.72 : 17,888.47 = 4,528.54 : x
  2. Step 2: Convert to fraction form
    11,929.72/17,888.47 = 4,528.54/x
  3. Step 3: Cross multiply
    11,929.72x = 17,888.47 × 4,528.54
  4. Step 4: Simplify right side
    11,929.72x = 81,008,651.93
  5. Step 5: Solve for x
    x = 81,008,651.93/11,929.72
  6. Step 6: Final answer
    x = 6,790.49

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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.