Home / 21,063.58-29,066.54-12,575.30

Finding the Fourth Proportional to 21,063.58, 29,066.54 and 12,575.30

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Solution

The fourth proportional to 21,063.58, 29,066.54 and 12,575.30 is: 17,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.58 : 29,066.54 = 12,575.30 : x
  2. Step 2: Convert to fraction form
    21,063.58/29,066.54 = 12,575.30/x
  3. Step 3: Cross multiply
    21,063.58x = 29,066.54 × 12,575.30
  4. Step 4: Simplify right side
    21,063.58x = 365,520,252.25
  5. Step 5: Solve for x
    x = 365,520,252.25/21,063.58
  6. Step 6: Final answer
    x = 17,353.19

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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.