Home / 13,911.17-19,186.95-9,662.24

Finding the Fourth Proportional to 13,911.17, 19,186.95 and 9,662.24

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Solution

The fourth proportional to 13,911.17, 19,186.95 and 9,662.24 is: 13,326.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.17 : 19,186.95 = 9,662.24 : x
  2. Step 2: Convert to fraction form
    13,911.17/19,186.95 = 9,662.24/x
  3. Step 3: Cross multiply
    13,911.17x = 19,186.95 × 9,662.24
  4. Step 4: Simplify right side
    13,911.17x = 185,388,963.74
  5. Step 5: Solve for x
    x = 185,388,963.74/13,911.17
  6. Step 6: Final answer
    x = 13,326.62

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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.