Home / 12,667.66-19,000.05-3,901.84

Finding the Fourth Proportional to 12,667.66, 19,000.05 and 3,901.84

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Solution

The fourth proportional to 12,667.66, 19,000.05 and 3,901.84 is: 5,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.66 : 19,000.05 = 3,901.84 : x
  2. Step 2: Convert to fraction form
    12,667.66/19,000.05 = 3,901.84/x
  3. Step 3: Cross multiply
    12,667.66x = 19,000.05 × 3,901.84
  4. Step 4: Simplify right side
    12,667.66x = 74,135,155.09
  5. Step 5: Solve for x
    x = 74,135,155.09/12,667.66
  6. Step 6: Final answer
    x = 5,852.32

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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.