Home / 19,995.10-29,996.83-6,667.57

Finding the Fourth Proportional to 19,995.10, 29,996.83 and 6,667.57

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Solution

The fourth proportional to 19,995.10, 29,996.83 and 6,667.57 is: 10,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.10 : 29,996.83 = 6,667.57 : x
  2. Step 2: Convert to fraction form
    19,995.10/29,996.83 = 6,667.57/x
  3. Step 3: Cross multiply
    19,995.10x = 29,996.83 × 6,667.57
  4. Step 4: Simplify right side
    19,995.10x = 200,005,840.90
  5. Step 5: Solve for x
    x = 200,005,840.90/19,995.10
  6. Step 6: Final answer
    x = 10,002.74

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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.