Home / 19,869.96-29,798.36-8,020.67

Finding the Fourth Proportional to 19,869.96, 29,798.36 and 8,020.67

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Solution

The fourth proportional to 19,869.96, 29,798.36 and 8,020.67 is: 12,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.96 : 29,798.36 = 8,020.67 : x
  2. Step 2: Convert to fraction form
    19,869.96/29,798.36 = 8,020.67/x
  3. Step 3: Cross multiply
    19,869.96x = 29,798.36 × 8,020.67
  4. Step 4: Simplify right side
    19,869.96x = 239,002,772.00
  5. Step 5: Solve for x
    x = 239,002,772.00/19,869.96
  6. Step 6: Final answer
    x = 12,028.35

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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.