Home / 13,464.90-20,187.63-5,669.46

Finding the Fourth Proportional to 13,464.90, 20,187.63 and 5,669.46

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Solution

The fourth proportional to 13,464.90, 20,187.63 and 5,669.46 is: 8,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.90 : 20,187.63 = 5,669.46 : x
  2. Step 2: Convert to fraction form
    13,464.90/20,187.63 = 5,669.46/x
  3. Step 3: Cross multiply
    13,464.90x = 20,187.63 × 5,669.46
  4. Step 4: Simplify right side
    13,464.90x = 114,452,960.78
  5. Step 5: Solve for x
    x = 114,452,960.78/13,464.90
  6. Step 6: Final answer
    x = 8,500.10

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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.