Home / 12,454.08-17,186.04-7,150.20

Finding the Fourth Proportional to 12,454.08, 17,186.04 and 7,150.20

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Solution

The fourth proportional to 12,454.08, 17,186.04 and 7,150.20 is: 9,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.08 : 17,186.04 = 7,150.20 : x
  2. Step 2: Convert to fraction form
    12,454.08/17,186.04 = 7,150.20/x
  3. Step 3: Cross multiply
    12,454.08x = 17,186.04 × 7,150.20
  4. Step 4: Simplify right side
    12,454.08x = 122,883,623.21
  5. Step 5: Solve for x
    x = 122,883,623.21/12,454.08
  6. Step 6: Final answer
    x = 9,866.94

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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.