Home / 13,746.37-20,610.30-6,346.75

Finding the Fourth Proportional to 13,746.37, 20,610.30 and 6,346.75

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Solution

The fourth proportional to 13,746.37, 20,610.30 and 6,346.75 is: 9,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.37 : 20,610.30 = 6,346.75 : x
  2. Step 2: Convert to fraction form
    13,746.37/20,610.30 = 6,346.75/x
  3. Step 3: Cross multiply
    13,746.37x = 20,610.30 × 6,346.75
  4. Step 4: Simplify right side
    13,746.37x = 130,808,393.80
  5. Step 5: Solve for x
    x = 130,808,393.80/13,746.37
  6. Step 6: Final answer
    x = 9,515.85

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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.