Home / 21,444.36-29,593.80-12,012.72

Finding the Fourth Proportional to 21,444.36, 29,593.80 and 12,012.72

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Solution

The fourth proportional to 21,444.36, 29,593.80 and 12,012.72 is: 16,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.36 : 29,593.80 = 12,012.72 : x
  2. Step 2: Convert to fraction form
    21,444.36/29,593.80 = 12,012.72/x
  3. Step 3: Cross multiply
    21,444.36x = 29,593.80 × 12,012.72
  4. Step 4: Simplify right side
    21,444.36x = 355,502,033.14
  5. Step 5: Solve for x
    x = 355,502,033.14/21,444.36
  6. Step 6: Final answer
    x = 16,577.88

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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.