Home / 13,883.04-20,824.08-6,483.12

Finding the Fourth Proportional to 13,883.04, 20,824.08 and 6,483.12

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Solution

The fourth proportional to 13,883.04, 20,824.08 and 6,483.12 is: 9,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.04 : 20,824.08 = 6,483.12 : x
  2. Step 2: Convert to fraction form
    13,883.04/20,824.08 = 6,483.12/x
  3. Step 3: Cross multiply
    13,883.04x = 20,824.08 × 6,483.12
  4. Step 4: Simplify right side
    13,883.04x = 135,005,009.53
  5. Step 5: Solve for x
    x = 135,005,009.53/13,883.04
  6. Step 6: Final answer
    x = 9,724.46

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Similar ratio
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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.