Home / 12,850.08-19,240.32-6,681.12

Finding the Fourth Proportional to 12,850.08, 19,240.32 and 6,681.12

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Solution

The fourth proportional to 12,850.08, 19,240.32 and 6,681.12 is: 10,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.08 : 19,240.32 = 6,681.12 : x
  2. Step 2: Convert to fraction form
    12,850.08/19,240.32 = 6,681.12/x
  3. Step 3: Cross multiply
    12,850.08x = 19,240.32 × 6,681.12
  4. Step 4: Simplify right side
    12,850.08x = 128,546,886.76
  5. Step 5: Solve for x
    x = 128,546,886.76/12,850.08
  6. Step 6: Final answer
    x = 10,003.59

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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.