Home / 19,910.76-27,465.42-12,445.80

Finding the Fourth Proportional to 19,910.76, 27,465.42 and 12,445.80

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Solution

The fourth proportional to 19,910.76, 27,465.42 and 12,445.80 is: 17,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.76 : 27,465.42 = 12,445.80 : x
  2. Step 2: Convert to fraction form
    19,910.76/27,465.42 = 12,445.80/x
  3. Step 3: Cross multiply
    19,910.76x = 27,465.42 × 12,445.80
  4. Step 4: Simplify right side
    19,910.76x = 341,829,124.24
  5. Step 5: Solve for x
    x = 341,829,124.24/19,910.76
  6. Step 6: Final answer
    x = 17,168.06

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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.