Home / 19,693.63-29,540.30-4,902.45

Finding the Fourth Proportional to 19,693.63, 29,540.30 and 4,902.45

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Solution

The fourth proportional to 19,693.63, 29,540.30 and 4,902.45 is: 7,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.63 : 29,540.30 = 4,902.45 : x
  2. Step 2: Convert to fraction form
    19,693.63/29,540.30 = 4,902.45/x
  3. Step 3: Cross multiply
    19,693.63x = 29,540.30 × 4,902.45
  4. Step 4: Simplify right side
    19,693.63x = 144,819,843.74
  5. Step 5: Solve for x
    x = 144,819,843.74/19,693.63
  6. Step 6: Final answer
    x = 7,353.64

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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.