Home / 21,462.49-29,616.61-12,029.23

Finding the Fourth Proportional to 21,462.49, 29,616.61 and 12,029.23

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Solution

The fourth proportional to 21,462.49, 29,616.61 and 12,029.23 is: 16,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462.49 : 29,616.61 = 12,029.23 : x
  2. Step 2: Convert to fraction form
    21,462.49/29,616.61 = 12,029.23/x
  3. Step 3: Cross multiply
    21,462.49x = 29,616.61 × 12,029.23
  4. Step 4: Simplify right side
    21,462.49x = 356,265,013.51
  5. Step 5: Solve for x
    x = 356,265,013.51/21,462.49
  6. Step 6: Final answer
    x = 16,599.43

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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.