Home / 20,444.99-30,636.19-13,756.72

Finding the Fourth Proportional to 20,444.99, 30,636.19 and 13,756.72

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Solution

The fourth proportional to 20,444.99, 30,636.19 and 13,756.72 is: 20,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.99 : 30,636.19 = 13,756.72 : x
  2. Step 2: Convert to fraction form
    20,444.99/30,636.19 = 13,756.72/x
  3. Step 3: Cross multiply
    20,444.99x = 30,636.19 × 13,756.72
  4. Step 4: Simplify right side
    20,444.99x = 421,453,265.73
  5. Step 5: Solve for x
    x = 421,453,265.73/20,444.99
  6. Step 6: Final answer
    x = 20,614.01

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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.