Home / 12,746.09-17,592.12-8,143.93

Finding the Fourth Proportional to 12,746.09, 17,592.12 and 8,143.93

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Solution

The fourth proportional to 12,746.09, 17,592.12 and 8,143.93 is: 11,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.09 : 17,592.12 = 8,143.93 : x
  2. Step 2: Convert to fraction form
    12,746.09/17,592.12 = 8,143.93/x
  3. Step 3: Cross multiply
    12,746.09x = 17,592.12 × 8,143.93
  4. Step 4: Simplify right side
    12,746.09x = 143,268,993.83
  5. Step 5: Solve for x
    x = 143,268,993.83/12,746.09
  6. Step 6: Final answer
    x = 11,240.23

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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.