Home / 11,929.46-17,888.11-4,528.28

Finding the Fourth Proportional to 11,929.46, 17,888.11 and 4,528.28

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Solution

The fourth proportional to 11,929.46, 17,888.11 and 4,528.28 is: 6,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.46 : 17,888.11 = 4,528.28 : x
  2. Step 2: Convert to fraction form
    11,929.46/17,888.11 = 4,528.28/x
  3. Step 3: Cross multiply
    11,929.46x = 17,888.11 × 4,528.28
  4. Step 4: Simplify right side
    11,929.46x = 81,002,404.15
  5. Step 5: Solve for x
    x = 81,002,404.15/11,929.46
  6. Step 6: Final answer
    x = 6,790.12

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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.