Home / 19,675.56-29,493.87-9,148.80

Finding the Fourth Proportional to 19,675.56, 29,493.87 and 9,148.80

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Solution

The fourth proportional to 19,675.56, 29,493.87 and 9,148.80 is: 13,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.56 : 29,493.87 = 9,148.80 : x
  2. Step 2: Convert to fraction form
    19,675.56/29,493.87 = 9,148.80/x
  3. Step 3: Cross multiply
    19,675.56x = 29,493.87 × 9,148.80
  4. Step 4: Simplify right side
    19,675.56x = 269,833,517.86
  5. Step 5: Solve for x
    x = 269,833,517.86/19,675.56
  6. Step 6: Final answer
    x = 13,714.15

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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.