Home / 21,093.66-29,111.29-12,595.71

Finding the Fourth Proportional to 21,093.66, 29,111.29 and 12,595.71

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Solution

The fourth proportional to 21,093.66, 29,111.29 and 12,595.71 is: 17,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093.66 : 29,111.29 = 12,595.71 : x
  2. Step 2: Convert to fraction form
    21,093.66/29,111.29 = 12,595.71/x
  3. Step 3: Cross multiply
    21,093.66x = 29,111.29 × 12,595.71
  4. Step 4: Simplify right side
    21,093.66x = 366,677,444.24
  5. Step 5: Solve for x
    x = 366,677,444.24/21,093.66
  6. Step 6: Final answer
    x = 17,383.30

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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.