Home / 13,476.83-20,218.61-5,157.50

Finding the Fourth Proportional to 13,476.83, 20,218.61 and 5,157.50

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Solution

The fourth proportional to 13,476.83, 20,218.61 and 5,157.50 is: 7,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.83 : 20,218.61 = 5,157.50 : x
  2. Step 2: Convert to fraction form
    13,476.83/20,218.61 = 5,157.50/x
  3. Step 3: Cross multiply
    13,476.83x = 20,218.61 × 5,157.50
  4. Step 4: Simplify right side
    13,476.83x = 104,277,392.88
  5. Step 5: Solve for x
    x = 104,277,392.88/13,476.83
  6. Step 6: Final answer
    x = 7,737.53

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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.