Home / 21,232.65-29,300.76-11,672.94

Finding the Fourth Proportional to 21,232.65, 29,300.76 and 11,672.94

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Solution

The fourth proportional to 21,232.65, 29,300.76 and 11,672.94 is: 16,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.65 : 29,300.76 = 11,672.94 : x
  2. Step 2: Convert to fraction form
    21,232.65/29,300.76 = 11,672.94/x
  3. Step 3: Cross multiply
    21,232.65x = 29,300.76 × 11,672.94
  4. Step 4: Simplify right side
    21,232.65x = 342,026,013.43
  5. Step 5: Solve for x
    x = 342,026,013.43/21,232.65
  6. Step 6: Final answer
    x = 16,108.49

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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.