Home / 19,680.18-27,166.23-14,416.80

Finding the Fourth Proportional to 19,680.18, 27,166.23 and 14,416.80

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Solution

The fourth proportional to 19,680.18, 27,166.23 and 14,416.80 is: 19,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.18 : 27,166.23 = 14,416.80 : x
  2. Step 2: Convert to fraction form
    19,680.18/27,166.23 = 14,416.80/x
  3. Step 3: Cross multiply
    19,680.18x = 27,166.23 × 14,416.80
  4. Step 4: Simplify right side
    19,680.18x = 391,650,104.66
  5. Step 5: Solve for x
    x = 391,650,104.66/19,680.18
  6. Step 6: Final answer
    x = 19,900.74

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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.