Home / 17,221.17-23,765.76-10,505.28

Finding the Fourth Proportional to 17,221.17, 23,765.76 and 10,505.28

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Solution

The fourth proportional to 17,221.17, 23,765.76 and 10,505.28 is: 14,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.17 : 23,765.76 = 10,505.28 : x
  2. Step 2: Convert to fraction form
    17,221.17/23,765.76 = 10,505.28/x
  3. Step 3: Cross multiply
    17,221.17x = 23,765.76 × 10,505.28
  4. Step 4: Simplify right side
    17,221.17x = 249,665,963.21
  5. Step 5: Solve for x
    x = 249,665,963.21/17,221.17
  6. Step 6: Final answer
    x = 14,497.62

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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.