Home / 21,029.99-29,020.58-11,598.55

Finding the Fourth Proportional to 21,029.99, 29,020.58 and 11,598.55

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Solution

The fourth proportional to 21,029.99, 29,020.58 and 11,598.55 is: 16,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.99 : 29,020.58 = 11,598.55 : x
  2. Step 2: Convert to fraction form
    21,029.99/29,020.58 = 11,598.55/x
  3. Step 3: Cross multiply
    21,029.99x = 29,020.58 × 11,598.55
  4. Step 4: Simplify right side
    21,029.99x = 336,596,756.97
  5. Step 5: Solve for x
    x = 336,596,756.97/21,029.99
  6. Step 6: Final answer
    x = 16,005.56

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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.