Home / 13,349.34-20,011.05-5,553.90

Finding the Fourth Proportional to 13,349.34, 20,011.05 and 5,553.90

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Solution

The fourth proportional to 13,349.34, 20,011.05 and 5,553.90 is: 8,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.34 : 20,011.05 = 5,553.90 : x
  2. Step 2: Convert to fraction form
    13,349.34/20,011.05 = 5,553.90/x
  3. Step 3: Cross multiply
    13,349.34x = 20,011.05 × 5,553.90
  4. Step 4: Simplify right side
    13,349.34x = 111,139,370.60
  5. Step 5: Solve for x
    x = 111,139,370.60/13,349.34
  6. Step 6: Final answer
    x = 8,325.46

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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.