Home / 13,184.46-18,175.64-9,401.07

Finding the Fourth Proportional to 13,184.46, 18,175.64 and 9,401.07

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Solution

The fourth proportional to 13,184.46, 18,175.64 and 9,401.07 is: 12,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.46 : 18,175.64 = 9,401.07 : x
  2. Step 2: Convert to fraction form
    13,184.46/18,175.64 = 9,401.07/x
  3. Step 3: Cross multiply
    13,184.46x = 18,175.64 × 9,401.07
  4. Step 4: Simplify right side
    13,184.46x = 170,870,416.93
  5. Step 5: Solve for x
    x = 170,870,416.93/13,184.46
  6. Step 6: Final answer
    x = 12,959.99

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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.