Home / 21,134.94-29,166.26-11,444.51

Finding the Fourth Proportional to 21,134.94, 29,166.26 and 11,444.51

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Solution

The fourth proportional to 21,134.94, 29,166.26 and 11,444.51 is: 15,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134.94 : 29,166.26 = 11,444.51 : x
  2. Step 2: Convert to fraction form
    21,134.94/29,166.26 = 11,444.51/x
  3. Step 3: Cross multiply
    21,134.94x = 29,166.26 × 11,444.51
  4. Step 4: Simplify right side
    21,134.94x = 333,793,554.23
  5. Step 5: Solve for x
    x = 333,793,554.23/21,134.94
  6. Step 6: Final answer
    x = 15,793.45

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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.