Home / 19,770.16-29,622.43-13,914.47

Finding the Fourth Proportional to 19,770.16, 29,622.43 and 13,914.47

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Solution

The fourth proportional to 19,770.16, 29,622.43 and 13,914.47 is: 20,848.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.16 : 29,622.43 = 13,914.47 : x
  2. Step 2: Convert to fraction form
    19,770.16/29,622.43 = 13,914.47/x
  3. Step 3: Cross multiply
    19,770.16x = 29,622.43 × 13,914.47
  4. Step 4: Simplify right side
    19,770.16x = 412,180,260.12
  5. Step 5: Solve for x
    x = 412,180,260.12/19,770.16
  6. Step 6: Final answer
    x = 20,848.61

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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.