Home / 20,646.23-30,971.40-6,602.73

Finding the Fourth Proportional to 20,646.23, 30,971.40 and 6,602.73

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Solution

The fourth proportional to 20,646.23, 30,971.40 and 6,602.73 is: 9,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646.23 : 30,971.40 = 6,602.73 : x
  2. Step 2: Convert to fraction form
    20,646.23/30,971.40 = 6,602.73/x
  3. Step 3: Cross multiply
    20,646.23x = 30,971.40 × 6,602.73
  4. Step 4: Simplify right side
    20,646.23x = 204,495,791.92
  5. Step 5: Solve for x
    x = 204,495,791.92/20,646.23
  6. Step 6: Final answer
    x = 9,904.75

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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.