Home / 13,348.34-20,029.64-8,667.25

Finding the Fourth Proportional to 13,348.34, 20,029.64 and 8,667.25

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Solution

The fourth proportional to 13,348.34, 20,029.64 and 8,667.25 is: 13,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.34 : 20,029.64 = 8,667.25 : x
  2. Step 2: Convert to fraction form
    13,348.34/20,029.64 = 8,667.25/x
  3. Step 3: Cross multiply
    13,348.34x = 20,029.64 × 8,667.25
  4. Step 4: Simplify right side
    13,348.34x = 173,601,897.29
  5. Step 5: Solve for x
    x = 173,601,897.29/13,348.34
  6. Step 6: Final answer
    x = 13,005.50

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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.