Home / 19,613.68-29,422.04-11,769.64

Finding the Fourth Proportional to 19,613.68, 29,422.04 and 11,769.64

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Solution

The fourth proportional to 19,613.68, 29,422.04 and 11,769.64 is: 17,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.68 : 29,422.04 = 11,769.64 : x
  2. Step 2: Convert to fraction form
    19,613.68/29,422.04 = 11,769.64/x
  3. Step 3: Cross multiply
    19,613.68x = 29,422.04 × 11,769.64
  4. Step 4: Simplify right side
    19,613.68x = 346,286,818.87
  5. Step 5: Solve for x
    x = 346,286,818.87/19,613.68
  6. Step 6: Final answer
    x = 17,655.37

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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.