Home / 12,941.08-17,859.42-9,791.80

Finding the Fourth Proportional to 12,941.08, 17,859.42 and 9,791.80

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Solution

The fourth proportional to 12,941.08, 17,859.42 and 9,791.80 is: 13,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.08 : 17,859.42 = 9,791.80 : x
  2. Step 2: Convert to fraction form
    12,941.08/17,859.42 = 9,791.80/x
  3. Step 3: Cross multiply
    12,941.08x = 17,859.42 × 9,791.80
  4. Step 4: Simplify right side
    12,941.08x = 174,875,868.76
  5. Step 5: Solve for x
    x = 174,875,868.76/12,941.08
  6. Step 6: Final answer
    x = 13,513.24

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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.