Home / 17,279.81-23,812.84-12,556.61

Finding the Fourth Proportional to 17,279.81, 23,812.84 and 12,556.61

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Solution

The fourth proportional to 17,279.81, 23,812.84 and 12,556.61 is: 17,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.81 : 23,812.84 = 12,556.61 : x
  2. Step 2: Convert to fraction form
    17,279.81/23,812.84 = 12,556.61/x
  3. Step 3: Cross multiply
    17,279.81x = 23,812.84 × 12,556.61
  4. Step 4: Simplify right side
    17,279.81x = 299,008,544.87
  5. Step 5: Solve for x
    x = 299,008,544.87/17,279.81
  6. Step 6: Final answer
    x = 17,303.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.