Home / 20,446.71-30,615.35-12,006.26

Finding the Fourth Proportional to 20,446.71, 30,615.35 and 12,006.26

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Solution

The fourth proportional to 20,446.71, 30,615.35 and 12,006.26 is: 17,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.71 : 30,615.35 = 12,006.26 : x
  2. Step 2: Convert to fraction form
    20,446.71/30,615.35 = 12,006.26/x
  3. Step 3: Cross multiply
    20,446.71x = 30,615.35 × 12,006.26
  4. Step 4: Simplify right side
    20,446.71x = 367,575,638.98
  5. Step 5: Solve for x
    x = 367,575,638.98/20,446.71
  6. Step 6: Final answer
    x = 17,977.25

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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.