Home / 13,173.64-19,764.50-5,276.14

Finding the Fourth Proportional to 13,173.64, 19,764.50 and 5,276.14

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Solution

The fourth proportional to 13,173.64, 19,764.50 and 5,276.14 is: 7,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.64 : 19,764.50 = 5,276.14 : x
  2. Step 2: Convert to fraction form
    13,173.64/19,764.50 = 5,276.14/x
  3. Step 3: Cross multiply
    13,173.64x = 19,764.50 × 5,276.14
  4. Step 4: Simplify right side
    13,173.64x = 104,280,269.03
  5. Step 5: Solve for x
    x = 104,280,269.03/13,173.64
  6. Step 6: Final answer
    x = 7,915.83

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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.