Home / 12,504.16-17,257.38-7,199.20

Finding the Fourth Proportional to 12,504.16, 17,257.38 and 7,199.20

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Solution

The fourth proportional to 12,504.16, 17,257.38 and 7,199.20 is: 9,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.16 : 17,257.38 = 7,199.20 : x
  2. Step 2: Convert to fraction form
    12,504.16/17,257.38 = 7,199.20/x
  3. Step 3: Cross multiply
    12,504.16x = 17,257.38 × 7,199.20
  4. Step 4: Simplify right side
    12,504.16x = 124,239,330.10
  5. Step 5: Solve for x
    x = 124,239,330.10/12,504.16
  6. Step 6: Final answer
    x = 9,935.84

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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.