Home / 21,250.76-29,324.24-12,298.82

Finding the Fourth Proportional to 21,250.76, 29,324.24 and 12,298.82

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Solution

The fourth proportional to 21,250.76, 29,324.24 and 12,298.82 is: 16,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.76 : 29,324.24 = 12,298.82 : x
  2. Step 2: Convert to fraction form
    21,250.76/29,324.24 = 12,298.82/x
  3. Step 3: Cross multiply
    21,250.76x = 29,324.24 × 12,298.82
  4. Step 4: Simplify right side
    21,250.76x = 360,653,476.09
  5. Step 5: Solve for x
    x = 360,653,476.09/21,250.76
  6. Step 6: Final answer
    x = 16,971.32

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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.