Home / 21,476.20-29,637.06-12,044.77

Finding the Fourth Proportional to 21,476.20, 29,637.06 and 12,044.77

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Solution

The fourth proportional to 21,476.20, 29,637.06 and 12,044.77 is: 16,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.20 : 29,637.06 = 12,044.77 : x
  2. Step 2: Convert to fraction form
    21,476.20/29,637.06 = 12,044.77/x
  3. Step 3: Cross multiply
    21,476.20x = 29,637.06 × 12,044.77
  4. Step 4: Simplify right side
    21,476.20x = 356,971,422.99
  5. Step 5: Solve for x
    x = 356,971,422.99/21,476.20
  6. Step 6: Final answer
    x = 16,621.73

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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.