Home / 17,205.92-23,721.90-11,145.40

Finding the Fourth Proportional to 17,205.92, 23,721.90 and 11,145.40

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Solution

The fourth proportional to 17,205.92, 23,721.90 and 11,145.40 is: 15,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.92 : 23,721.90 = 11,145.40 : x
  2. Step 2: Convert to fraction form
    17,205.92/23,721.90 = 11,145.40/x
  3. Step 3: Cross multiply
    17,205.92x = 23,721.90 × 11,145.40
  4. Step 4: Simplify right side
    17,205.92x = 264,390,064.26
  5. Step 5: Solve for x
    x = 264,390,064.26/17,205.92
  6. Step 6: Final answer
    x = 15,366.23

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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.