Home / 19,769.65-29,655.56-6,620.83

Finding the Fourth Proportional to 19,769.65, 29,655.56 and 6,620.83

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Solution

The fourth proportional to 19,769.65, 29,655.56 and 6,620.83 is: 9,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.65 : 29,655.56 = 6,620.83 : x
  2. Step 2: Convert to fraction form
    19,769.65/29,655.56 = 6,620.83/x
  3. Step 3: Cross multiply
    19,769.65x = 29,655.56 × 6,620.83
  4. Step 4: Simplify right side
    19,769.65x = 196,344,388.21
  5. Step 5: Solve for x
    x = 196,344,388.21/19,769.65
  6. Step 6: Final answer
    x = 9,931.61

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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.