Home / 13,527.90-20,289.54-3,664.88

Finding the Fourth Proportional to 13,527.90, 20,289.54 and 3,664.88

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Solution

The fourth proportional to 13,527.90, 20,289.54 and 3,664.88 is: 5,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.90 : 20,289.54 = 3,664.88 : x
  2. Step 2: Convert to fraction form
    13,527.90/20,289.54 = 3,664.88/x
  3. Step 3: Cross multiply
    13,527.90x = 20,289.54 × 3,664.88
  4. Step 4: Simplify right side
    13,527.90x = 74,358,627.91
  5. Step 5: Solve for x
    x = 74,358,627.91/13,527.90
  6. Step 6: Final answer
    x = 5,496.69

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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.