Home / 13,282.29-19,924.65-3,421.60

Finding the Fourth Proportional to 13,282.29, 19,924.65 and 3,421.60

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Solution

The fourth proportional to 13,282.29, 19,924.65 and 3,421.60 is: 5,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.29 : 19,924.65 = 3,421.60 : x
  2. Step 2: Convert to fraction form
    13,282.29/19,924.65 = 3,421.60/x
  3. Step 3: Cross multiply
    13,282.29x = 19,924.65 × 3,421.60
  4. Step 4: Simplify right side
    13,282.29x = 68,174,182.44
  5. Step 5: Solve for x
    x = 68,174,182.44/13,282.29
  6. Step 6: Final answer
    x = 5,132.71

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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.