Home / 14,269.79-19,696.82-9,799.80

Finding the Fourth Proportional to 14,269.79, 19,696.82 and 9,799.80

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Solution

The fourth proportional to 14,269.79, 19,696.82 and 9,799.80 is: 13,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.79 : 19,696.82 = 9,799.80 : x
  2. Step 2: Convert to fraction form
    14,269.79/19,696.82 = 9,799.80/x
  3. Step 3: Cross multiply
    14,269.79x = 19,696.82 × 9,799.80
  4. Step 4: Simplify right side
    14,269.79x = 193,024,847.64
  5. Step 5: Solve for x
    x = 193,024,847.64/14,269.79
  6. Step 6: Final answer
    x = 13,526.82

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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.