Home / 21,265.56-29,345.76-11,833.92

Finding the Fourth Proportional to 21,265.56, 29,345.76 and 11,833.92

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Solution

The fourth proportional to 21,265.56, 29,345.76 and 11,833.92 is: 16,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.56 : 29,345.76 = 11,833.92 : x
  2. Step 2: Convert to fraction form
    21,265.56/29,345.76 = 11,833.92/x
  3. Step 3: Cross multiply
    21,265.56x = 29,345.76 × 11,833.92
  4. Step 4: Simplify right side
    21,265.56x = 347,275,376.18
  5. Step 5: Solve for x
    x = 347,275,376.18/21,265.56
  6. Step 6: Final answer
    x = 16,330.41

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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.