Home / 13,567.43-20,354.63-5,245.28

Finding the Fourth Proportional to 13,567.43, 20,354.63 and 5,245.28

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Solution

The fourth proportional to 13,567.43, 20,354.63 and 5,245.28 is: 7,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.43 : 20,354.63 = 5,245.28 : x
  2. Step 2: Convert to fraction form
    13,567.43/20,354.63 = 5,245.28/x
  3. Step 3: Cross multiply
    13,567.43x = 20,354.63 × 5,245.28
  4. Step 4: Simplify right side
    13,567.43x = 106,765,605.65
  5. Step 5: Solve for x
    x = 106,765,605.65/13,567.43
  6. Step 6: Final answer
    x = 7,869.26

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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.