Home / 21,476.84-29,637.96-12,045.44

Finding the Fourth Proportional to 21,476.84, 29,637.96 and 12,045.44

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Solution

The fourth proportional to 21,476.84, 29,637.96 and 12,045.44 is: 16,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.84 : 29,637.96 = 12,045.44 : x
  2. Step 2: Convert to fraction form
    21,476.84/29,637.96 = 12,045.44/x
  3. Step 3: Cross multiply
    21,476.84x = 29,637.96 × 12,045.44
  4. Step 4: Simplify right side
    21,476.84x = 357,002,268.90
  5. Step 5: Solve for x
    x = 357,002,268.90/21,476.84
  6. Step 6: Final answer
    x = 16,622.66

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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.