Home / 21,029.76-29,020.23-11,598.21

Finding the Fourth Proportional to 21,029.76, 29,020.23 and 11,598.21

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Solution

The fourth proportional to 21,029.76, 29,020.23 and 11,598.21 is: 16,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.76 : 29,020.23 = 11,598.21 : x
  2. Step 2: Convert to fraction form
    21,029.76/29,020.23 = 11,598.21/x
  3. Step 3: Cross multiply
    21,029.76x = 29,020.23 × 11,598.21
  4. Step 4: Simplify right side
    21,029.76x = 336,582,721.79
  5. Step 5: Solve for x
    x = 336,582,721.79/21,029.76
  6. Step 6: Final answer
    x = 16,005.07

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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.