Home / 21,301.92-29,394.90-12,346.56

Finding the Fourth Proportional to 21,301.92, 29,394.90 and 12,346.56

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Solution

The fourth proportional to 21,301.92, 29,394.90 and 12,346.56 is: 17,037.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.92 : 29,394.90 = 12,346.56 : x
  2. Step 2: Convert to fraction form
    21,301.92/29,394.90 = 12,346.56/x
  3. Step 3: Cross multiply
    21,301.92x = 29,394.90 × 12,346.56
  4. Step 4: Simplify right side
    21,301.92x = 362,925,896.54
  5. Step 5: Solve for x
    x = 362,925,896.54/21,301.92
  6. Step 6: Final answer
    x = 17,037.24

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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.