Home / 12,782.56-19,165.38-6,120.04

Finding the Fourth Proportional to 12,782.56, 19,165.38 and 6,120.04

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Solution

The fourth proportional to 12,782.56, 19,165.38 and 6,120.04 is: 9,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782.56 : 19,165.38 = 6,120.04 : x
  2. Step 2: Convert to fraction form
    12,782.56/19,165.38 = 6,120.04/x
  3. Step 3: Cross multiply
    12,782.56x = 19,165.38 × 6,120.04
  4. Step 4: Simplify right side
    12,782.56x = 117,292,892.22
  5. Step 5: Solve for x
    x = 117,292,892.22/12,782.56
  6. Step 6: Final answer
    x = 9,176.01

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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.