Home / 20,542.90-30,814.58-6,502.67

Finding the Fourth Proportional to 20,542.90, 30,814.58 and 6,502.67

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Solution

The fourth proportional to 20,542.90, 30,814.58 and 6,502.67 is: 9,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.90 : 30,814.58 = 6,502.67 : x
  2. Step 2: Convert to fraction form
    20,542.90/30,814.58 = 6,502.67/x
  3. Step 3: Cross multiply
    20,542.90x = 30,814.58 × 6,502.67
  4. Step 4: Simplify right side
    20,542.90x = 200,377,044.93
  5. Step 5: Solve for x
    x = 200,377,044.93/20,542.90
  6. Step 6: Final answer
    x = 9,754.08

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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.