Home / 13,937.52-20,903.88-4,577.72

Finding the Fourth Proportional to 13,937.52, 20,903.88 and 4,577.72

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Solution

The fourth proportional to 13,937.52, 20,903.88 and 4,577.72 is: 6,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.52 : 20,903.88 = 4,577.72 : x
  2. Step 2: Convert to fraction form
    13,937.52/20,903.88 = 4,577.72/x
  3. Step 3: Cross multiply
    13,937.52x = 20,903.88 × 4,577.72
  4. Step 4: Simplify right side
    13,937.52x = 95,692,109.55
  5. Step 5: Solve for x
    x = 95,692,109.55/13,937.52
  6. Step 6: Final answer
    x = 6,865.79

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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.