Home / 19,731.80-29,596.35-6,404.60

Finding the Fourth Proportional to 19,731.80, 29,596.35 and 6,404.60

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Solution

The fourth proportional to 19,731.80, 29,596.35 and 6,404.60 is: 9,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.80 : 29,596.35 = 6,404.60 : x
  2. Step 2: Convert to fraction form
    19,731.80/29,596.35 = 6,404.60/x
  3. Step 3: Cross multiply
    19,731.80x = 29,596.35 × 6,404.60
  4. Step 4: Simplify right side
    19,731.80x = 189,552,783.21
  5. Step 5: Solve for x
    x = 189,552,783.21/19,731.80
  6. Step 6: Final answer
    x = 9,606.46

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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.