Home / 12,444.80-17,198.40-10,203.04

Finding the Fourth Proportional to 12,444.80, 17,198.40 and 10,203.04

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Solution

The fourth proportional to 12,444.80, 17,198.40 and 10,203.04 is: 14,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.80 : 17,198.40 = 10,203.04 : x
  2. Step 2: Convert to fraction form
    12,444.80/17,198.40 = 10,203.04/x
  3. Step 3: Cross multiply
    12,444.80x = 17,198.40 × 10,203.04
  4. Step 4: Simplify right side
    12,444.80x = 175,475,963.14
  5. Step 5: Solve for x
    x = 175,475,963.14/12,444.80
  6. Step 6: Final answer
    x = 14,100.34

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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.