Home / 21,502.04-29,667.62-12,544.43

Finding the Fourth Proportional to 21,502.04, 29,667.62 and 12,544.43

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Solution

The fourth proportional to 21,502.04, 29,667.62 and 12,544.43 is: 17,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.04 : 29,667.62 = 12,544.43 : x
  2. Step 2: Convert to fraction form
    21,502.04/29,667.62 = 12,544.43/x
  3. Step 3: Cross multiply
    21,502.04x = 29,667.62 × 12,544.43
  4. Step 4: Simplify right side
    21,502.04x = 372,163,382.36
  5. Step 5: Solve for x
    x = 372,163,382.36/21,502.04
  6. Step 6: Final answer
    x = 17,308.28

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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.