Home / 17,189.64-23,710.19-11,222.78

Finding the Fourth Proportional to 17,189.64, 23,710.19 and 11,222.78

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Solution

The fourth proportional to 17,189.64, 23,710.19 and 11,222.78 is: 15,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,189.64 : 23,710.19 = 11,222.78 : x
  2. Step 2: Convert to fraction form
    17,189.64/23,710.19 = 11,222.78/x
  3. Step 3: Cross multiply
    17,189.64x = 23,710.19 × 11,222.78
  4. Step 4: Simplify right side
    17,189.64x = 266,094,071.46
  5. Step 5: Solve for x
    x = 266,094,071.46/17,189.64
  6. Step 6: Final answer
    x = 15,479.91

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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.