Home / 13,734.64-20,574.48-6,328.96

Finding the Fourth Proportional to 13,734.64, 20,574.48 and 6,328.96

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Solution

The fourth proportional to 13,734.64, 20,574.48 and 6,328.96 is: 9,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.64 : 20,574.48 = 6,328.96 : x
  2. Step 2: Convert to fraction form
    13,734.64/20,574.48 = 6,328.96/x
  3. Step 3: Cross multiply
    13,734.64x = 20,574.48 × 6,328.96
  4. Step 4: Simplify right side
    13,734.64x = 130,215,060.94
  5. Step 5: Solve for x
    x = 130,215,060.94/13,734.64
  6. Step 6: Final answer
    x = 9,480.78

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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.