Home / 11,406.40-17,064.24-9,167.20

Finding the Fourth Proportional to 11,406.40, 17,064.24 and 9,167.20

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Solution

The fourth proportional to 11,406.40, 17,064.24 and 9,167.20 is: 13,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.40 : 17,064.24 = 9,167.20 : x
  2. Step 2: Convert to fraction form
    11,406.40/17,064.24 = 9,167.20/x
  3. Step 3: Cross multiply
    11,406.40x = 17,064.24 × 9,167.20
  4. Step 4: Simplify right side
    11,406.40x = 156,431,300.93
  5. Step 5: Solve for x
    x = 156,431,300.93/11,406.40
  6. Step 6: Final answer
    x = 13,714.34

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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.