Home / 21,669.94-29,903.07-12,594.49

Finding the Fourth Proportional to 21,669.94, 29,903.07 and 12,594.49

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Solution

The fourth proportional to 21,669.94, 29,903.07 and 12,594.49 is: 17,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.94 : 29,903.07 = 12,594.49 : x
  2. Step 2: Convert to fraction form
    21,669.94/29,903.07 = 12,594.49/x
  3. Step 3: Cross multiply
    21,669.94x = 29,903.07 × 12,594.49
  4. Step 4: Simplify right side
    21,669.94x = 376,613,916.08
  5. Step 5: Solve for x
    x = 376,613,916.08/21,669.94
  6. Step 6: Final answer
    x = 17,379.56

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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.