Home / 15,934.69-21,994.39-12,770.03

Finding the Fourth Proportional to 15,934.69, 21,994.39 and 12,770.03

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Solution

The fourth proportional to 15,934.69, 21,994.39 and 12,770.03 is: 17,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,934.69 : 21,994.39 = 12,770.03 : x
  2. Step 2: Convert to fraction form
    15,934.69/21,994.39 = 12,770.03/x
  3. Step 3: Cross multiply
    15,934.69x = 21,994.39 × 12,770.03
  4. Step 4: Simplify right side
    15,934.69x = 280,868,957.39
  5. Step 5: Solve for x
    x = 280,868,957.39/15,934.69
  6. Step 6: Final answer
    x = 17,626.26

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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.