Home / 13,913.21-20,860.56-7,233.30

Finding the Fourth Proportional to 13,913.21, 20,860.56 and 7,233.30

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Solution

The fourth proportional to 13,913.21, 20,860.56 and 7,233.30 is: 10,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.21 : 20,860.56 = 7,233.30 : x
  2. Step 2: Convert to fraction form
    13,913.21/20,860.56 = 7,233.30/x
  3. Step 3: Cross multiply
    13,913.21x = 20,860.56 × 7,233.30
  4. Step 4: Simplify right side
    13,913.21x = 150,890,688.65
  5. Step 5: Solve for x
    x = 150,890,688.65/13,913.21
  6. Step 6: Final answer
    x = 10,845.14

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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.