Home / 12,701.12-19,050.96-3,935.76

Finding the Fourth Proportional to 12,701.12, 19,050.96 and 3,935.76

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Solution

The fourth proportional to 12,701.12, 19,050.96 and 3,935.76 is: 5,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.12 : 19,050.96 = 3,935.76 : x
  2. Step 2: Convert to fraction form
    12,701.12/19,050.96 = 3,935.76/x
  3. Step 3: Cross multiply
    12,701.12x = 19,050.96 × 3,935.76
  4. Step 4: Simplify right side
    12,701.12x = 74,980,006.33
  5. Step 5: Solve for x
    x = 74,980,006.33/12,701.12
  6. Step 6: Final answer
    x = 5,903.42

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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.