Home / 21,257.88-29,341.08-14,546.04

Finding the Fourth Proportional to 21,257.88, 29,341.08 and 14,546.04

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Solution

The fourth proportional to 21,257.88, 29,341.08 and 14,546.04 is: 20,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257.88 : 29,341.08 = 14,546.04 : x
  2. Step 2: Convert to fraction form
    21,257.88/29,341.08 = 14,546.04/x
  3. Step 3: Cross multiply
    21,257.88x = 29,341.08 × 14,546.04
  4. Step 4: Simplify right side
    21,257.88x = 426,796,523.32
  5. Step 5: Solve for x
    x = 426,796,523.32/21,257.88
  6. Step 6: Final answer
    x = 20,077.10

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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.