Home / 20,461.14-30,651.57-10,606.86

Finding the Fourth Proportional to 20,461.14, 30,651.57 and 10,606.86

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Solution

The fourth proportional to 20,461.14, 30,651.57 and 10,606.86 is: 15,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461.14 : 30,651.57 = 10,606.86 : x
  2. Step 2: Convert to fraction form
    20,461.14/30,651.57 = 10,606.86/x
  3. Step 3: Cross multiply
    20,461.14x = 30,651.57 × 10,606.86
  4. Step 4: Simplify right side
    20,461.14x = 325,116,911.77
  5. Step 5: Solve for x
    x = 325,116,911.77/20,461.14
  6. Step 6: Final answer
    x = 15,889.48

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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.