Home / 12,932.96-19,407.54-5,911.88

Finding the Fourth Proportional to 12,932.96, 19,407.54 and 5,911.88

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Solution

The fourth proportional to 12,932.96, 19,407.54 and 5,911.88 is: 8,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.96 : 19,407.54 = 5,911.88 : x
  2. Step 2: Convert to fraction form
    12,932.96/19,407.54 = 5,911.88/x
  3. Step 3: Cross multiply
    12,932.96x = 19,407.54 × 5,911.88
  4. Step 4: Simplify right side
    12,932.96x = 114,735,047.58
  5. Step 5: Solve for x
    x = 114,735,047.58/12,932.96
  6. Step 6: Final answer
    x = 8,871.52

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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.