Home / 17,742.24-26,613.04-5,429.92

Finding the Fourth Proportional to 17,742.24, 26,613.04 and 5,429.92

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Solution

The fourth proportional to 17,742.24, 26,613.04 and 5,429.92 is: 8,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.24 : 26,613.04 = 5,429.92 : x
  2. Step 2: Convert to fraction form
    17,742.24/26,613.04 = 5,429.92/x
  3. Step 3: Cross multiply
    17,742.24x = 26,613.04 × 5,429.92
  4. Step 4: Simplify right side
    17,742.24x = 144,506,678.16
  5. Step 5: Solve for x
    x = 144,506,678.16/17,742.24
  6. Step 6: Final answer
    x = 8,144.78

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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.