Home / 19,534.80-29,307.60-8,446.80

Finding the Fourth Proportional to 19,534.80, 29,307.60 and 8,446.80

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Solution

The fourth proportional to 19,534.80, 29,307.60 and 8,446.80 is: 12,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.80 : 29,307.60 = 8,446.80 : x
  2. Step 2: Convert to fraction form
    19,534.80/29,307.60 = 8,446.80/x
  3. Step 3: Cross multiply
    19,534.80x = 29,307.60 × 8,446.80
  4. Step 4: Simplify right side
    19,534.80x = 247,555,435.68
  5. Step 5: Solve for x
    x = 247,555,435.68/19,534.80
  6. Step 6: Final answer
    x = 12,672.53

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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.