Home / 12,797.40-17,659.20-9,442.08

Finding the Fourth Proportional to 12,797.40, 17,659.20 and 9,442.08

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Solution

The fourth proportional to 12,797.40, 17,659.20 and 9,442.08 is: 13,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.40 : 17,659.20 = 9,442.08 : x
  2. Step 2: Convert to fraction form
    12,797.40/17,659.20 = 9,442.08/x
  3. Step 3: Cross multiply
    12,797.40x = 17,659.20 × 9,442.08
  4. Step 4: Simplify right side
    12,797.40x = 166,739,579.14
  5. Step 5: Solve for x
    x = 166,739,579.14/12,797.40
  6. Step 6: Final answer
    x = 13,029.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.