Home / 12,673.53-19,003.80-6,753.75

Finding the Fourth Proportional to 12,673.53, 19,003.80 and 6,753.75

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Solution

The fourth proportional to 12,673.53, 19,003.80 and 6,753.75 is: 10,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.53 : 19,003.80 = 6,753.75 : x
  2. Step 2: Convert to fraction form
    12,673.53/19,003.80 = 6,753.75/x
  3. Step 3: Cross multiply
    12,673.53x = 19,003.80 × 6,753.75
  4. Step 4: Simplify right side
    12,673.53x = 128,346,914.25
  5. Step 5: Solve for x
    x = 128,346,914.25/12,673.53
  6. Step 6: Final answer
    x = 10,127.16

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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.