Home / 21,141.47-29,176.14-11,710.03

Finding the Fourth Proportional to 21,141.47, 29,176.14 and 11,710.03

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Solution

The fourth proportional to 21,141.47, 29,176.14 and 11,710.03 is: 16,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141.47 : 29,176.14 = 11,710.03 : x
  2. Step 2: Convert to fraction form
    21,141.47/29,176.14 = 11,710.03/x
  3. Step 3: Cross multiply
    21,141.47x = 29,176.14 × 11,710.03
  4. Step 4: Simplify right side
    21,141.47x = 341,653,474.68
  5. Step 5: Solve for x
    x = 341,653,474.68/21,141.47
  6. Step 6: Final answer
    x = 16,160.35

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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.