Home / 11,929.83-17,888.67-4,528.67

Finding the Fourth Proportional to 11,929.83, 17,888.67 and 4,528.67

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Solution

The fourth proportional to 11,929.83, 17,888.67 and 4,528.67 is: 6,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.83 : 17,888.67 = 4,528.67 : x
  2. Step 2: Convert to fraction form
    11,929.83/17,888.67 = 4,528.67/x
  3. Step 3: Cross multiply
    11,929.83x = 17,888.67 × 4,528.67
  4. Step 4: Simplify right side
    11,929.83x = 81,011,793.73
  5. Step 5: Solve for x
    x = 81,011,793.73/11,929.83
  6. Step 6: Final answer
    x = 6,790.69

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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.