Home / 12,844.24-17,727.08-7,810.04

Finding the Fourth Proportional to 12,844.24, 17,727.08 and 7,810.04

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Solution

The fourth proportional to 12,844.24, 17,727.08 and 7,810.04 is: 10,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.24 : 17,727.08 = 7,810.04 : x
  2. Step 2: Convert to fraction form
    12,844.24/17,727.08 = 7,810.04/x
  3. Step 3: Cross multiply
    12,844.24x = 17,727.08 × 7,810.04
  4. Step 4: Simplify right side
    12,844.24x = 138,449,203.88
  5. Step 5: Solve for x
    x = 138,449,203.88/12,844.24
  6. Step 6: Final answer
    x = 10,779.09

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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.