Home / 12,429.99-17,149.19-8,444.16

Finding the Fourth Proportional to 12,429.99, 17,149.19 and 8,444.16

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Solution

The fourth proportional to 12,429.99, 17,149.19 and 8,444.16 is: 11,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.99 : 17,149.19 = 8,444.16 : x
  2. Step 2: Convert to fraction form
    12,429.99/17,149.19 = 8,444.16/x
  3. Step 3: Cross multiply
    12,429.99x = 17,149.19 × 8,444.16
  4. Step 4: Simplify right side
    12,429.99x = 144,810,462.01
  5. Step 5: Solve for x
    x = 144,810,462.01/12,429.99
  6. Step 6: Final answer
    x = 11,650.09

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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.