Home / 20,559.63-30,814.62-10,013.85

Finding the Fourth Proportional to 20,559.63, 30,814.62 and 10,013.85

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Solution

The fourth proportional to 20,559.63, 30,814.62 and 10,013.85 is: 15,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.63 : 30,814.62 = 10,013.85 : x
  2. Step 2: Convert to fraction form
    20,559.63/30,814.62 = 10,013.85/x
  3. Step 3: Cross multiply
    20,559.63x = 30,814.62 × 10,013.85
  4. Step 4: Simplify right side
    20,559.63x = 308,572,982.49
  5. Step 5: Solve for x
    x = 308,572,982.49/20,559.63
  6. Step 6: Final answer
    x = 15,008.68

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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.