Home / 17,148.72-23,676.48-11,490.84

Finding the Fourth Proportional to 17,148.72, 23,676.48 and 11,490.84

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Solution

The fourth proportional to 17,148.72, 23,676.48 and 11,490.84 is: 15,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.72 : 23,676.48 = 11,490.84 : x
  2. Step 2: Convert to fraction form
    17,148.72/23,676.48 = 11,490.84/x
  3. Step 3: Cross multiply
    17,148.72x = 23,676.48 × 11,490.84
  4. Step 4: Simplify right side
    17,148.72x = 272,062,643.44
  5. Step 5: Solve for x
    x = 272,062,643.44/17,148.72
  6. Step 6: Final answer
    x = 15,864.90

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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.