Home / 12,693.28-19,047.82-6,120.14

Finding the Fourth Proportional to 12,693.28, 19,047.82 and 6,120.14

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Solution

The fourth proportional to 12,693.28, 19,047.82 and 6,120.14 is: 9,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.28 : 19,047.82 = 6,120.14 : x
  2. Step 2: Convert to fraction form
    12,693.28/19,047.82 = 6,120.14/x
  3. Step 3: Cross multiply
    12,693.28x = 19,047.82 × 6,120.14
  4. Step 4: Simplify right side
    12,693.28x = 116,575,325.09
  5. Step 5: Solve for x
    x = 116,575,325.09/12,693.28
  6. Step 6: Final answer
    x = 9,184.02

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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.