Home / 21,476.58-29,637.75-12,045.18

Finding the Fourth Proportional to 21,476.58, 29,637.75 and 12,045.18

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Solution

The fourth proportional to 21,476.58, 29,637.75 and 12,045.18 is: 16,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.58 : 29,637.75 = 12,045.18 : x
  2. Step 2: Convert to fraction form
    21,476.58/29,637.75 = 12,045.18/x
  3. Step 3: Cross multiply
    21,476.58x = 29,637.75 × 12,045.18
  4. Step 4: Simplify right side
    21,476.58x = 356,992,033.55
  5. Step 5: Solve for x
    x = 356,992,033.55/21,476.58
  6. Step 6: Final answer
    x = 16,622.39

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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.