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Finding the Fourth Proportional to 13,493.19, 20,241.14 and 4,133.10

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Solution

The fourth proportional to 13,493.19, 20,241.14 and 4,133.10 is: 6,200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.19 : 20,241.14 = 4,133.10 : x
  2. Step 2: Convert to fraction form
    13,493.19/20,241.14 = 4,133.10/x
  3. Step 3: Cross multiply
    13,493.19x = 20,241.14 × 4,133.10
  4. Step 4: Simplify right side
    13,493.19x = 83,658,752.04
  5. Step 5: Solve for x
    x = 83,658,752.04/13,493.19
  6. Step 6: Final answer
    x = 6,200.07

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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.