Home / 13,518.29-20,284.71-5,626.25

Finding the Fourth Proportional to 13,518.29, 20,284.71 and 5,626.25

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Solution

The fourth proportional to 13,518.29, 20,284.71 and 5,626.25 is: 8,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.29 : 20,284.71 = 5,626.25 : x
  2. Step 2: Convert to fraction form
    13,518.29/20,284.71 = 5,626.25/x
  3. Step 3: Cross multiply
    13,518.29x = 20,284.71 × 5,626.25
  4. Step 4: Simplify right side
    13,518.29x = 114,126,849.64
  5. Step 5: Solve for x
    x = 114,126,849.64/13,518.29
  6. Step 6: Final answer
    x = 8,442.40

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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.