Home / 13,528.32-20,294.75-4,168.06

Finding the Fourth Proportional to 13,528.32, 20,294.75 and 4,168.06

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Solution

The fourth proportional to 13,528.32, 20,294.75 and 4,168.06 is: 6,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.32 : 20,294.75 = 4,168.06 : x
  2. Step 2: Convert to fraction form
    13,528.32/20,294.75 = 4,168.06/x
  3. Step 3: Cross multiply
    13,528.32x = 20,294.75 × 4,168.06
  4. Step 4: Simplify right side
    13,528.32x = 84,589,695.37
  5. Step 5: Solve for x
    x = 84,589,695.37/13,528.32
  6. Step 6: Final answer
    x = 6,252.79

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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.