Home / 12,667.16-18,999.30-3,901.34

Finding the Fourth Proportional to 12,667.16, 18,999.30 and 3,901.34

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Solution

The fourth proportional to 12,667.16, 18,999.30 and 3,901.34 is: 5,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.16 : 18,999.30 = 3,901.34 : x
  2. Step 2: Convert to fraction form
    12,667.16/18,999.30 = 3,901.34/x
  3. Step 3: Cross multiply
    12,667.16x = 18,999.30 × 3,901.34
  4. Step 4: Simplify right side
    12,667.16x = 74,122,729.06
  5. Step 5: Solve for x
    x = 74,122,729.06/12,667.16
  6. Step 6: Final answer
    x = 5,851.57

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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.