Home / 12,396.16-17,087.04-12,150.40

Finding the Fourth Proportional to 12,396.16, 17,087.04 and 12,150.40

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Solution

The fourth proportional to 12,396.16, 17,087.04 and 12,150.40 is: 16,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.16 : 17,087.04 = 12,150.40 : x
  2. Step 2: Convert to fraction form
    12,396.16/17,087.04 = 12,150.40/x
  3. Step 3: Cross multiply
    12,396.16x = 17,087.04 × 12,150.40
  4. Step 4: Simplify right side
    12,396.16x = 207,614,370.82
  5. Step 5: Solve for x
    x = 207,614,370.82/12,396.16
  6. Step 6: Final answer
    x = 16,748.28

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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.