Home / 21,525.36-29,705.58-12,094.80

Finding the Fourth Proportional to 21,525.36, 29,705.58 and 12,094.80

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Solution

The fourth proportional to 21,525.36, 29,705.58 and 12,094.80 is: 16,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.36 : 29,705.58 = 12,094.80 : x
  2. Step 2: Convert to fraction form
    21,525.36/29,705.58 = 12,094.80/x
  3. Step 3: Cross multiply
    21,525.36x = 29,705.58 × 12,094.80
  4. Step 4: Simplify right side
    21,525.36x = 359,283,048.98
  5. Step 5: Solve for x
    x = 359,283,048.98/21,525.36
  6. Step 6: Final answer
    x = 16,691.15

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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.