Home / 19,630.40-29,445.68-4,839.68

Finding the Fourth Proportional to 19,630.40, 29,445.68 and 4,839.68

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Solution

The fourth proportional to 19,630.40, 29,445.68 and 4,839.68 is: 7,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.40 : 29,445.68 = 4,839.68 : x
  2. Step 2: Convert to fraction form
    19,630.40/29,445.68 = 4,839.68/x
  3. Step 3: Cross multiply
    19,630.40x = 29,445.68 × 4,839.68
  4. Step 4: Simplify right side
    19,630.40x = 142,507,668.58
  5. Step 5: Solve for x
    x = 142,507,668.58/19,630.40
  6. Step 6: Final answer
    x = 7,259.54

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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.