Home / 17,195.34-23,702.15-13,555.45

Finding the Fourth Proportional to 17,195.34, 23,702.15 and 13,555.45

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Solution

The fourth proportional to 17,195.34, 23,702.15 and 13,555.45 is: 18,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.34 : 23,702.15 = 13,555.45 : x
  2. Step 2: Convert to fraction form
    17,195.34/23,702.15 = 13,555.45/x
  3. Step 3: Cross multiply
    17,195.34x = 23,702.15 × 13,555.45
  4. Step 4: Simplify right side
    17,195.34x = 321,293,376.25
  5. Step 5: Solve for x
    x = 321,293,376.25/17,195.34
  6. Step 6: Final answer
    x = 18,684.90

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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.