Home / 21,060.35-29,062.51-11,628.71

Finding the Fourth Proportional to 21,060.35, 29,062.51 and 11,628.71

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Solution

The fourth proportional to 21,060.35, 29,062.51 and 11,628.71 is: 16,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.35 : 29,062.51 = 11,628.71 : x
  2. Step 2: Convert to fraction form
    21,060.35/29,062.51 = 11,628.71/x
  3. Step 3: Cross multiply
    21,060.35x = 29,062.51 × 11,628.71
  4. Step 4: Simplify right side
    21,060.35x = 337,959,355.35
  5. Step 5: Solve for x
    x = 337,959,355.35/21,060.35
  6. Step 6: Final answer
    x = 16,047.19

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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.