Home / 19,702.22-29,519.91-11,894.63

Finding the Fourth Proportional to 19,702.22, 29,519.91 and 11,894.63

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Solution

The fourth proportional to 19,702.22, 29,519.91 and 11,894.63 is: 17,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.22 : 29,519.91 = 11,894.63 : x
  2. Step 2: Convert to fraction form
    19,702.22/29,519.91 = 11,894.63/x
  3. Step 3: Cross multiply
    19,702.22x = 29,519.91 × 11,894.63
  4. Step 4: Simplify right side
    19,702.22x = 351,128,259.48
  5. Step 5: Solve for x
    x = 351,128,259.48/19,702.22
  6. Step 6: Final answer
    x = 17,821.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.