Home / 20,409.82-30,575.64-9,848.66

Finding the Fourth Proportional to 20,409.82, 30,575.64 and 9,848.66

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Solution

The fourth proportional to 20,409.82, 30,575.64 and 9,848.66 is: 14,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409.82 : 30,575.64 = 9,848.66 : x
  2. Step 2: Convert to fraction form
    20,409.82/30,575.64 = 9,848.66/x
  3. Step 3: Cross multiply
    20,409.82x = 30,575.64 × 9,848.66
  4. Step 4: Simplify right side
    20,409.82x = 301,129,082.64
  5. Step 5: Solve for x
    x = 301,129,082.64/20,409.82
  6. Step 6: Final answer
    x = 14,754.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.