Home / 14,981.56-20,675.84-8,268.64

Finding the Fourth Proportional to 14,981.56, 20,675.84 and 8,268.64

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Solution

The fourth proportional to 14,981.56, 20,675.84 and 8,268.64 is: 11,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.56 : 20,675.84 = 8,268.64 : x
  2. Step 2: Convert to fraction form
    14,981.56/20,675.84 = 8,268.64/x
  3. Step 3: Cross multiply
    14,981.56x = 20,675.84 × 8,268.64
  4. Step 4: Simplify right side
    14,981.56x = 170,961,077.66
  5. Step 5: Solve for x
    x = 170,961,077.66/14,981.56
  6. Step 6: Final answer
    x = 11,411.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.