Home / 13,754.85-20,634.87-6,258.98

Finding the Fourth Proportional to 13,754.85, 20,634.87 and 6,258.98

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Solution

The fourth proportional to 13,754.85, 20,634.87 and 6,258.98 is: 9,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.85 : 20,634.87 = 6,258.98 : x
  2. Step 2: Convert to fraction form
    13,754.85/20,634.87 = 6,258.98/x
  3. Step 3: Cross multiply
    13,754.85x = 20,634.87 × 6,258.98
  4. Step 4: Simplify right side
    13,754.85x = 129,153,135.46
  5. Step 5: Solve for x
    x = 129,153,135.46/13,754.85
  6. Step 6: Final answer
    x = 9,389.64

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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.