Home / 13,549.12-20,323.04-6,616.64

Finding the Fourth Proportional to 13,549.12, 20,323.04 and 6,616.64

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Solution

The fourth proportional to 13,549.12, 20,323.04 and 6,616.64 is: 9,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.12 : 20,323.04 = 6,616.64 : x
  2. Step 2: Convert to fraction form
    13,549.12/20,323.04 = 6,616.64/x
  3. Step 3: Cross multiply
    13,549.12x = 20,323.04 × 6,616.64
  4. Step 4: Simplify right side
    13,549.12x = 134,470,239.39
  5. Step 5: Solve for x
    x = 134,470,239.39/13,549.12
  6. Step 6: Final answer
    x = 9,924.65

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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.