Home / 13,655.43-20,483.25-4,295.22

Finding the Fourth Proportional to 13,655.43, 20,483.25 and 4,295.22

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Solution

The fourth proportional to 13,655.43, 20,483.25 and 4,295.22 is: 6,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.43 : 20,483.25 = 4,295.22 : x
  2. Step 2: Convert to fraction form
    13,655.43/20,483.25 = 4,295.22/x
  3. Step 3: Cross multiply
    13,655.43x = 20,483.25 × 4,295.22
  4. Step 4: Simplify right side
    13,655.43x = 87,980,065.07
  5. Step 5: Solve for x
    x = 87,980,065.07/13,655.43
  6. Step 6: Final answer
    x = 6,442.86

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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.