Home / 13,655.33-20,483.88-4,295.71

Finding the Fourth Proportional to 13,655.33, 20,483.88 and 4,295.71

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Solution

The fourth proportional to 13,655.33, 20,483.88 and 4,295.71 is: 6,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.33 : 20,483.88 = 4,295.71 : x
  2. Step 2: Convert to fraction form
    13,655.33/20,483.88 = 4,295.71/x
  3. Step 3: Cross multiply
    13,655.33x = 20,483.88 × 4,295.71
  4. Step 4: Simplify right side
    13,655.33x = 87,992,817.65
  5. Step 5: Solve for x
    x = 87,992,817.65/13,655.33
  6. Step 6: Final answer
    x = 6,443.84

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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.