Home / 19,712.56-29,568.84-6,396.70

Finding the Fourth Proportional to 19,712.56, 29,568.84 and 6,396.70

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Solution

The fourth proportional to 19,712.56, 29,568.84 and 6,396.70 is: 9,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.56 : 29,568.84 = 6,396.70 : x
  2. Step 2: Convert to fraction form
    19,712.56/29,568.84 = 6,396.70/x
  3. Step 3: Cross multiply
    19,712.56x = 29,568.84 × 6,396.70
  4. Step 4: Simplify right side
    19,712.56x = 189,142,998.83
  5. Step 5: Solve for x
    x = 189,142,998.83/19,712.56
  6. Step 6: Final answer
    x = 9,595.05

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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.