Home / 13,184.32-18,175.42-9,400.91

Finding the Fourth Proportional to 13,184.32, 18,175.42 and 9,400.91

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Solution

The fourth proportional to 13,184.32, 18,175.42 and 9,400.91 is: 12,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.32 : 18,175.42 = 9,400.91 : x
  2. Step 2: Convert to fraction form
    13,184.32/18,175.42 = 9,400.91/x
  3. Step 3: Cross multiply
    13,184.32x = 18,175.42 × 9,400.91
  4. Step 4: Simplify right side
    13,184.32x = 170,865,396.76
  5. Step 5: Solve for x
    x = 170,865,396.76/13,184.32
  6. Step 6: Final answer
    x = 12,959.75

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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.